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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `err` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, err"><title>futures_util::future::err - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "err", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/ready.rs.html#80-82" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">err</a></span></h1><pre class="rust fn">pub fn err&lt;T, E&gt;(err: E) -&gt; <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Create a future that is immediately ready with an error value.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="err" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">err</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/ready.rs.html#80-82" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn err&lt;T, E&gt;(err: E) -&gt; <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Create a future that is immediately ready with an error value.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">err</span>::<span class="op">&lt;</span><span class="ident">i32</span>, <span class="ident">i32</span><span class="op">&gt;</span>(<span class="number">1</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="kw">await</span>, <span class="prelude-val">Err</span>(<span class="number">1</span>));</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `join` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, join"><title>futures_util::future::join - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "join", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/join.rs.html#111-118" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">join</a></span></h1><pre class="rust fn">pub fn join&lt;Fut1, Fut2&gt;(future1: Fut1, future2: Fut2) -&gt; <a class="struct" href="../../futures_util/future/struct.Join.html" title="struct futures_util::future::Join">Join</a>&lt;Fut1, Fut2&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Join.html" title="struct futures_util::future::Join">Join</a>&lt;Fut1, Fut2&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut2:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Join.html" title="struct futures_util::future::Join">Join</a>&lt;Fut1, Fut2&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut2::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></pre><div class="docblock"><p>Joins the result of two futures, waiting for them both to complete.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="join" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">join</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/join.rs.html#111-118" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn join&lt;Fut1, Fut2&gt;(future1: Fut1, future2: Fut2) -&gt; <a class="struct" href="../../futures_util/future/struct.Join.html" title="struct futures_util::future::Join">Join</a>&lt;Fut1, Fut2&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Join.html" title="struct futures_util::future::Join">Join</a>&lt;Fut1, Fut2&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut2:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Join.html" title="struct futures_util::future::Join">Join</a>&lt;Fut1, Fut2&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut2::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></pre><div class="docblock"><p>Joins the result of two futures, waiting for them both to complete.</p>
<p>This function will return a new future which awaits both futures to
complete. The returned future will finish with a tuple of both results.</p>
<p>Note that this function consumes the passed futures and returns a
@@ -15,4 +15,5 @@ wrapped version of it.</p>
<span class="kw">let</span> <span class="ident">pair</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">join</span>(<span class="ident">a</span>, <span class="ident">b</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">pair</span>.<span class="kw">await</span>, (<span class="number">1</span>, <span class="number">2</span>));</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `join3` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, join3"><title>futures_util::future::join3 - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "join3", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/join.rs.html#136-148" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">join3</a></span></h1><pre class="rust fn">pub fn join3&lt;Fut1, Fut2, Fut3&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;future1: Fut1, <br>&nbsp;&nbsp;&nbsp;&nbsp;future2: Fut2, <br>&nbsp;&nbsp;&nbsp;&nbsp;future3: Fut3<br>) -&gt; <a class="struct" href="../../futures_util/future/struct.Join3.html" title="struct futures_util::future::Join3">Join3</a>&lt;Fut1, Fut2, Fut3&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Join3.html" title="struct futures_util::future::Join3">Join3</a>&lt;Fut1, Fut2, Fut3&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut2:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut3:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Join3.html" title="struct futures_util::future::Join3">Join3</a>&lt;Fut1, Fut2, Fut3&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut2::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut3::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></pre><div class="docblock"><p>Same as <a href="../../futures_util/future/fn.join.html"><code>join</code></a>, but with more futures.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="join3" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">join3</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/join.rs.html#136-148" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn join3&lt;Fut1, Fut2, Fut3&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;future1: Fut1, <br>&nbsp;&nbsp;&nbsp;&nbsp;future2: Fut2, <br>&nbsp;&nbsp;&nbsp;&nbsp;future3: Fut3<br>) -&gt; <a class="struct" href="../../futures_util/future/struct.Join3.html" title="struct futures_util::future::Join3">Join3</a>&lt;Fut1, Fut2, Fut3&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Join3.html" title="struct futures_util::future::Join3">Join3</a>&lt;Fut1, Fut2, Fut3&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut2:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut3:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Join3.html" title="struct futures_util::future::Join3">Join3</a>&lt;Fut1, Fut2, Fut3&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut2::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut3::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></pre><div class="docblock"><p>Same as <a href="../../futures_util/future/fn.join.html"><code>join</code></a>, but with more futures.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
@@ -12,4 +12,5 @@
<span class="kw">let</span> <span class="ident">tuple</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">join3</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">c</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tuple</span>.<span class="kw">await</span>, (<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>));</pre></div>
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+4 -3
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@@ -1,7 +1,7 @@
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `join4` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, join4"><title>futures_util::future::join4 - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "join4", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/join.rs.html#167-181" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">join4</a></span></h1><pre class="rust fn">pub fn join4&lt;Fut1, Fut2, Fut3, Fut4&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;future1: Fut1, <br>&nbsp;&nbsp;&nbsp;&nbsp;future2: Fut2, <br>&nbsp;&nbsp;&nbsp;&nbsp;future3: Fut3, <br>&nbsp;&nbsp;&nbsp;&nbsp;future4: Fut4<br>) -&gt; <a class="struct" href="../../futures_util/future/struct.Join4.html" title="struct futures_util::future::Join4">Join4</a>&lt;Fut1, Fut2, Fut3, Fut4&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Join4.html" title="struct futures_util::future::Join4">Join4</a>&lt;Fut1, Fut2, Fut3, Fut4&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut2:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut3:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut4:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Join4.html" title="struct futures_util::future::Join4">Join4</a>&lt;Fut1, Fut2, Fut3, Fut4&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut2::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut3::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut4::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut4: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></pre><div class="docblock"><p>Same as <a href="../../futures_util/future/fn.join.html"><code>join</code></a>, but with more futures.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="join4" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">join4</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/join.rs.html#167-181" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn join4&lt;Fut1, Fut2, Fut3, Fut4&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;future1: Fut1, <br>&nbsp;&nbsp;&nbsp;&nbsp;future2: Fut2, <br>&nbsp;&nbsp;&nbsp;&nbsp;future3: Fut3, <br>&nbsp;&nbsp;&nbsp;&nbsp;future4: Fut4<br>) -&gt; <a class="struct" href="../../futures_util/future/struct.Join4.html" title="struct futures_util::future::Join4">Join4</a>&lt;Fut1, Fut2, Fut3, Fut4&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Join4.html" title="struct futures_util::future::Join4">Join4</a>&lt;Fut1, Fut2, Fut3, Fut4&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut2:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut3:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>, Fut4:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Join4.html" title="struct futures_util::future::Join4">Join4</a>&lt;Fut1, Fut2, Fut3, Fut4&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut2::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut3::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, Fut4::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut4: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></pre><div class="docblock"><p>Same as <a href="../../futures_util/future/fn.join.html"><code>join</code></a>, but with more futures.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
@@ -13,4 +13,5 @@
<span class="kw">let</span> <span class="ident">tuple</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">join4</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">c</span>, <span class="ident">d</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tuple</span>.<span class="kw">await</span>, (<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>));</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `lazy` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, lazy"><title>futures_util::future::lazy - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "lazy", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/lazy.rs.html#35-39" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">lazy</a></span></h1><pre class="rust fn">pub fn lazy&lt;F, R&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a>&lt;F&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a>&lt;F&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;F, R&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a>&lt;F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; R,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = R;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; R,&nbsp;</span></pre><div class="docblock"><p>Creates a new future that allows delayed execution of a closure.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="lazy" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">lazy</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/lazy.rs.html#35-39" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn lazy&lt;F, R&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a>&lt;F&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a>&lt;F&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;F, R&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a>&lt;F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; R,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = R;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; R,&nbsp;</span></pre><div class="docblock"><p>Creates a new future that allows delayed execution of a closure.</p>
<p>The provided closure is only run once the future is polled.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
@@ -14,4 +14,5 @@
<span class="macro">panic</span><span class="macro">!</span>(<span class="string">&quot;oh no!&quot;</span>)
});
<span class="ident">drop</span>(<span class="ident">b</span>); <span class="comment">// closure is never run</span></pre></div>
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<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/maybe_done.rs.html#43-45" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">maybe_done</a></span></h1><pre class="rust fn">pub fn maybe_done&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;(future: Fut) -&gt; <a class="enum" href="../../futures_util/future/enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">MaybeDone</a>&lt;Fut&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="enum" href="../../futures_util/future/enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">MaybeDone</a>&lt;Fut&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="enum" href="../../futures_util/future/enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">MaybeDone</a>&lt;Fut&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span></code></span></div></span></span></pre><div class="docblock"><p>Wraps a future into a <code>MaybeDone</code></p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="maybe_done" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">maybe_done</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/maybe_done.rs.html#43-45" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn maybe_done&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;(future: Fut) -&gt; <a class="enum" href="../../futures_util/future/enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">MaybeDone</a>&lt;Fut&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="enum" href="../../futures_util/future/enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">MaybeDone</a>&lt;Fut&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="enum" href="../../futures_util/future/enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">MaybeDone</a>&lt;Fut&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>;</span></code></span></div></span></span></pre><div class="docblock"><p>Wraps a future into a <code>MaybeDone</code></p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
@@ -13,4 +13,5 @@
<span class="kw">let</span> () <span class="op">=</span> <span class="ident">future</span>.<span class="ident">as_mut</span>().<span class="kw">await</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">as_mut</span>().<span class="ident">take_output</span>(), <span class="prelude-val">Some</span>(<span class="number">5</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future</span>.<span class="ident">as_mut</span>().<span class="ident">take_output</span>(), <span class="prelude-val">None</span>);</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `ok` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, ok"><title>futures_util::future::ok - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "ok", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/ready.rs.html#64-66" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">ok</a></span></h1><pre class="rust fn">pub fn ok&lt;T, E&gt;(t: T) -&gt; <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Create a future that is immediately ready with a success value.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="ok" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">ok</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/ready.rs.html#64-66" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn ok&lt;T, E&gt;(t: T) -&gt; <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Create a future that is immediately ready with a success value.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ok</span>::<span class="op">&lt;</span><span class="ident">i32</span>, <span class="ident">i32</span><span class="op">&gt;</span>(<span class="number">1</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="kw">await</span>, <span class="prelude-val">Ok</span>(<span class="number">1</span>));</pre></div>
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+4 -3
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@@ -1,7 +1,7 @@
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `pending` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, pending"><title>futures_util::future::pending - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "pending", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/pending.rs.html#36-40" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">pending</a></span></h1><pre class="rust fn">pub fn pending&lt;T&gt;() -&gt; <a class="struct" href="../../futures_util/future/struct.Pending.html" title="struct futures_util::future::Pending">Pending</a>&lt;T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Pending.html" title="struct futures_util::future::Pending">Pending</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Pending.html" title="struct futures_util::future::Pending">Pending</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Creates a future which never resolves, representing a computation that never
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="pending" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">pending</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/pending.rs.html#36-40" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn pending&lt;T&gt;() -&gt; <a class="struct" href="../../futures_util/future/struct.Pending.html" title="struct futures_util::future::Pending">Pending</a>&lt;T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Pending.html" title="struct futures_util::future::Pending">Pending</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Pending.html" title="struct futures_util::future::Pending">Pending</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Creates a future which never resolves, representing a computation that never
finishes.</p>
<p>The returned future will forever return <a href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html#variant.Pending" title="Poll::Pending"><code>Poll::Pending</code></a>.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
@@ -11,4 +11,5 @@ finishes.</p>
<span class="kw">let</span> <span class="ident">future</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">pending</span>();
<span class="kw">let</span> () <span class="op">=</span> <span class="ident">future</span>.<span class="kw">await</span>;
<span class="macro">unreachable</span><span class="macro">!</span>();</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `poll_fn` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, poll_fn"><title>futures_util::future::poll_fn - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "poll_fn", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/poll_fn.rs.html#36-41" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">poll_fn</a></span></h1><pre class="rust fn">pub fn poll_fn&lt;T, F&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a>&lt;F&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a>&lt;F&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a>&lt;F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;,&nbsp;</span></pre><div class="docblock"><p>Creates a new future wrapping around a function returning <a href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="Poll"><code>Poll</code></a>.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="poll_fn" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">poll_fn</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/poll_fn.rs.html#36-41" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn poll_fn&lt;T, F&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a>&lt;F&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a>&lt;F&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a>&lt;F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;,&nbsp;</span></pre><div class="docblock"><p>Creates a new future wrapping around a function returning <a href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="Poll"><code>Poll</code></a>.</p>
<p>Polling the returned future delegates to the wrapped function.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
@@ -14,4 +14,5 @@
<span class="kw">let</span> <span class="ident">read_future</span> <span class="op">=</span> <span class="ident">poll_fn</span>(<span class="ident">read_line</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">read_future</span>.<span class="kw">await</span>, <span class="string">&quot;Hello, World!&quot;</span>.<span class="ident">to_owned</span>());</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `ready` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, ready"><title>futures_util::future::ready - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/ready.rs.html#48-50" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">ready</a></span></h1><pre class="rust fn">pub fn ready&lt;T&gt;(t: T) -&gt; <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Creates a future that is immediately ready with a value.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="ready" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">ready</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/ready.rs.html#48-50" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn ready&lt;T&gt;(t: T) -&gt; <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Ready.html" title="struct futures_util::future::Ready">Ready</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></pre><div class="docblock"><p>Creates a future that is immediately ready with a value.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">ready</span>(<span class="number">1</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="kw">await</span>, <span class="number">1</span>);</pre></div>
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<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/select.rs.html#84-88" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">select</a></span></h1><pre class="rust fn">pub fn select&lt;A, B&gt;(future1: A, future2: B) -&gt; <a class="struct" href="../../futures_util/future/struct.Select.html" title="struct futures_util::future::Select">Select</a>&lt;A, B&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Select.html" title="struct futures_util::future::Select">Select</a>&lt;A, B&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;A, B&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Select.html" title="struct futures_util::future::Select">Select</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></pre><div class="docblock"><p>Waits for either one of two differently-typed futures to complete.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="select" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">select</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/select.rs.html#84-88" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn select&lt;A, B&gt;(future1: A, future2: B) -&gt; <a class="struct" href="../../futures_util/future/struct.Select.html" title="struct futures_util::future::Select">Select</a>&lt;A, B&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Select.html" title="struct futures_util::future::Select">Select</a>&lt;A, B&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;A, B&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Select.html" title="struct futures_util::future::Select">Select</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></pre><div class="docblock"><p>Waits for either one of two differently-typed futures to complete.</p>
<p>This function will return a new future which awaits for either one of both
futures to complete. The returned future will finish with both the value
resolved and a future representing the completion of the other work.</p>
@@ -59,4 +59,5 @@ conveniently extract out the value at the end.</p>
}
})
}</pre></div>
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@@ -1,7 +1,7 @@
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `try_join` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, try_join"><title>futures_util::future::try_join - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "try_join", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_join.rs.html#148-154" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_join</a></span></h1><pre class="rust fn">pub fn try_join&lt;Fut1, Fut2&gt;(future1: Fut1, future2: Fut2) -&gt; <a class="struct" href="../../futures_util/future/struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a>&lt;Fut1, Fut2&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a>&lt;Fut1, Fut2&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1, Fut2&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a>&lt;Fut1, Fut2&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Fut2::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></pre><div class="docblock"><p>Joins the result of two futures, waiting for them both to complete or
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="try_join" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_join</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_join.rs.html#148-154" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn try_join&lt;Fut1, Fut2&gt;(future1: Fut1, future2: Fut2) -&gt; <a class="struct" href="../../futures_util/future/struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a>&lt;Fut1, Fut2&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a>&lt;Fut1, Fut2&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1, Fut2&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a>&lt;Fut1, Fut2&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Fut2::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></pre><div class="docblock"><p>Joins the result of two futures, waiting for them both to complete or
for one to produce an error.</p>
<p>This function will return a new future which awaits both futures to
complete. If successful, the returned future will finish with a tuple of
@@ -32,4 +32,5 @@ that error:</p>
<span class="kw">let</span> <span class="ident">pair</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">try_join</span>(<span class="ident">a</span>, <span class="ident">b</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">pair</span>.<span class="kw">await</span>, <span class="prelude-val">Err</span>(<span class="number">2</span>));</pre></div>
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+4 -3
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `try_join3` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, try_join3"><title>futures_util::future::try_join3 - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "try_join3", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_join.rs.html#172-185" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_join3</a></span></h1><pre class="rust fn">pub fn try_join3&lt;Fut1, Fut2, Fut3&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;future1: Fut1, <br>&nbsp;&nbsp;&nbsp;&nbsp;future2: Fut2, <br>&nbsp;&nbsp;&nbsp;&nbsp;future3: Fut3<br>) -&gt; <a class="struct" href="../../futures_util/future/struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a>&lt;Fut1, Fut2, Fut3&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a>&lt;Fut1, Fut2, Fut3&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1, Fut2, Fut3&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a>&lt;Fut1, Fut2, Fut3&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Fut2::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Fut3::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></pre><div class="docblock"><p>Same as <a href="../../futures_util/future/fn.try_join.html"><code>try_join</code></a>, but with more futures.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="try_join3" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_join3</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_join.rs.html#172-185" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn try_join3&lt;Fut1, Fut2, Fut3&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;future1: Fut1, <br>&nbsp;&nbsp;&nbsp;&nbsp;future2: Fut2, <br>&nbsp;&nbsp;&nbsp;&nbsp;future3: Fut3<br>) -&gt; <a class="struct" href="../../futures_util/future/struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a>&lt;Fut1, Fut2, Fut3&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a>&lt;Fut1, Fut2, Fut3&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut1, Fut2, Fut3&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a>&lt;Fut1, Fut2, Fut3&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Fut2::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Fut3::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut1: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut2: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut3: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&lt;Error = Fut1::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;,&nbsp;</span></pre><div class="docblock"><p>Same as <a href="../../futures_util/future/fn.try_join.html"><code>try_join</code></a>, but with more futures.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>;
@@ -12,4 +12,5 @@
<span class="kw">let</span> <span class="ident">tuple</span> <span class="op">=</span> <span class="ident">future</span>::<span class="ident">try_join3</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">c</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">tuple</span>.<span class="kw">await</span>, <span class="prelude-val">Ok</span>((<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>)));</pre></div>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `try_maybe_done` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, try_maybe_done"><title>futures_util::future::try_maybe_done - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "try_maybe_done", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_maybe_done.rs.html#28-30" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_maybe_done</a></span></h1><pre class="rust fn">pub fn try_maybe_done&lt;Fut:&nbsp;<a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&gt;(future: Fut) -&gt; <a class="enum" href="../../futures_util/future/enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybeDone</a>&lt;Fut&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="enum" href="../../futures_util/future/enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybeDone</a>&lt;Fut&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut:&nbsp;<a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="enum" href="../../futures_util/future/enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybeDone</a>&lt;Fut&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Fut::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;;</span></code></span></div></span></span></pre><div class="docblock"><p>Wraps a future into a <code>TryMaybeDone</code></p>
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="try_maybe_done" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_maybe_done</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_maybe_done.rs.html#28-30" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn try_maybe_done&lt;Fut:&nbsp;<a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&gt;(future: Fut) -&gt; <a class="enum" href="../../futures_util/future/enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybeDone</a>&lt;Fut&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="enum" href="../../futures_util/future/enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybeDone</a>&lt;Fut&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut:&nbsp;<a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="enum" href="../../futures_util/future/enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybeDone</a>&lt;Fut&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Fut::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;;</span></code></span></div></span></span></pre><div class="docblock"><p>Wraps a future into a <code>TryMaybeDone</code></p>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `try_select` fn in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, try_select"><title>futures_util::future::try_select - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "try_select", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_select.rs.html#50-57" title="goto source code">[src]</a></span><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_select</a></span></h1><pre class="rust fn">pub fn try_select&lt;A, B&gt;(future1: A, future2: B) -&gt; <a class="struct" href="../../futures_util/future/struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a>&lt;A, B&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a>&lt;A, B&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;A:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, B:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;, <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></pre><div class="docblock"><p>Waits for either one of two differently-typed futures to complete.</p>
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="try_select" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="">try_select</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_select.rs.html#50-57" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn try_select&lt;A, B&gt;(future1: A, future2: B) -&gt; <a class="struct" href="../../futures_util/future/struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a>&lt;A, B&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a>&lt;A, B&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;A:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, B:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;, <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>A::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>, B<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>B::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>, A<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>&gt;&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></pre><div class="docblock"><p>Waits for either one of two differently-typed futures to complete.</p>
<p>This function will return a new future which awaits for either one of both
futures to complete. The returned future will finish with both the value
resolved and a future representing the completion of the other work.</p>
@@ -30,4 +30,5 @@ conveniently extract out the value at the end.</p>
}
})
}</pre></div>
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+4 -3
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@@ -1,7 +1,7 @@
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `future` mod in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, future"><title>futures_util::future - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<p>This module contains:</p>
<ul>
<li>The <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="Future"><code>Future</code></a> trait.</li>
@@ -91,4 +91,5 @@ for one to produce an error.</p>
</td></tr><tr class="module-item"><td><a class="fn" href="fn.try_join5.html" title="futures_util::future::try_join5 fn">try_join5</a></td><td class="docblock-short"><p>Same as <a href="../../futures_util/future/fn.try_join.html"><code>try_join</code></a>, but with more futures.</p>
</td></tr><tr class="module-item"><td><a class="fn" href="fn.try_maybe_done.html" title="futures_util::future::try_maybe_done fn">try_maybe_done</a></td><td class="docblock-short"><p>Wraps a future into a <code>TryMaybeDone</code></p>
</td></tr><tr class="module-item"><td><a class="fn" href="fn.try_select.html" title="futures_util::future::try_select fn">try_select</a></td><td class="docblock-short"><p>Waits for either one of two differently-typed futures to complete.</p>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `FutureObj` struct in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, FutureObj"><title>futures_util::future::FutureObj - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_task/future_obj.rs.html#108" title="goto source code">[src]</a></span><span class="in-band">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="struct" href="">FutureObj</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct FutureObj&lt;'a, T&gt;(_);</pre></div><div class="docblock"><p>A custom trait object for polling futures, roughly akin to
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct FutureObj</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.new">new</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E">From&lt;FutureObj&lt;&#39;a, T&gt;&gt;</a><a href="#impl-Future">Future</a><a href="#impl-Send">Send</a><a href="#impl-Unpin">Unpin</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Sync">!Sync</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-IntoFuture">IntoFuture</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryFuture">TryFuture</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="FutureObj" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="struct" href="">FutureObj</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_task/future_obj.rs.html#108" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct FutureObj&lt;'a, T&gt;(_);</pre></div><div class="docblock"><p>A custom trait object for polling futures, roughly akin to
<code>Box&lt;dyn Future&lt;Output = T&gt; + Send + 'a&gt;</code>.</p>
<p>This custom trait object was introduced as currently it is not possible to
take <code>dyn Trait</code> by value and <code>Box&lt;dyn Trait&gt;</code> is not available in no_std
contexts.</p>
<p>You should generally not need to use this type outside of <code>no_std</code> or when
implementing <code>Spawn</code>, consider using <code>BoxFuture</code> instead.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#113-119" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>&lt;F&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="../../futures_util/task/trait.UnsafeFutureObj.html" title="trait futures_util::task::UnsafeFutureObj">UnsafeFutureObj</a>&lt;'a, T&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#116-118" title="goto source code">[src]</a></h4><div class="docblock"><p>Create a <code>FutureObj</code> from a custom trait object representation.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#121-126" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#122-125" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;&gt; for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#73-78" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(f: <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;) -&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#75-77" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#113-119" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>&lt;F&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="../../futures_util/task/trait.UnsafeFutureObj.html" title="trait futures_util::task::UnsafeFutureObj">UnsafeFutureObj</a>&lt;'a, T&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#116" title="goto source code">[src]</a></h4><div class="docblock"><p>Create a <code>FutureObj</code> from a custom trait object representation.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#121-126" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#122" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;&gt; for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#73-78" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(f: <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;) -&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#75" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Future" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Future" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#128-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Output" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T</code></h4><div class='docblock'><p>The type of value produced on completion.</p>
</div><h4 id="method.poll" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll" class="fnname">poll</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;&gt;, cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#132-134" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to resolve the future to a final value, registering
</div><h4 id="method.poll" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll" class="fnname">poll</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;&gt;, cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to resolve the future to a final value, registering
the current task for wakeup if the value is not yet available. <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll">Read more</a></p>
</div></div><h3 id="impl-Send" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#111" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#110" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#108-112" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#109-111" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210-214" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211-213" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217-221" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#552-556" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from-1" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#553-555" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541-548" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-547" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Send" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#111" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#110" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;</code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#207-211" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214-218" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#215" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from-1" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#546" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#534-541" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#538" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-IntoFuture" class="impl"><code class="in-band">impl&lt;F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a> for F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></code><a href="#impl-IntoFuture" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#20-27" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Output-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Output" class="type">Output</a> = &lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a></code></h4><div class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock'><p>The output that the future will produce on completion.</p>
</div><h4 id="associatedtype.Future" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Future" class="type">Future</a> = F</code></h4><div class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock'><p>Which kind of future are we turning this into?</p>
</div><h4 id="method.into_future" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#tymethod.into_future" class="fnname">into_future</a>(self) -&gt; &lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Future" title="type core::future::into_future::IntoFuture::Future">Future</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#24-26" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock hidden'><p>Creates a future from a value.</p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589-598" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#595-597" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div><h4 id="method.into_future" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#tymethod.into_future" class="fnname">into_future</a>(self) -&gt; &lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Future" title="type core::future::into_future::IntoFuture::Future">Future</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#24" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock hidden'><p>Creates a future from a value.</p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#582-591" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#588" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryFuture" class="impl"><code class="in-band">impl&lt;F, T, E&gt; <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> for F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-TryFuture" class="anchor"></a><a class="srclink" href="../../src/futures_core/future.rs.html#76-86" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Ok" class="type"><code>type <a href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" class="type">Ok</a> = T</code></h4><div class='docblock'><p>The type of successful values yielded by this future</p>
</div><h4 id="associatedtype.Error-2" class="type"><code>type <a href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" class="type">Error</a> = E</code></h4><div class='docblock'><p>The type of failures yielded by this future</p>
</div><h4 id="method.try_poll" class="method hidden"><code>pub fn <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>F&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;&lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</code><a class="srclink" href="../../src/futures_core/future.rs.html#83-85" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Poll this <code>TryFuture</code> as if it were a <code>Future</code>. <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll">Read more</a></p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#575-584" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-583" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "futures_util";</script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html>
</div><h4 id="method.try_poll" class="method hidden"><code>pub fn <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>F&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;&lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</code><a class="srclink" href="../../src/futures_core/future.rs.html#83" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Poll this <code>TryFuture</code> as if it were a <code>Future</code>. <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll">Read more</a></p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#568-577" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#574" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `LocalFutureObj` struct in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, LocalFutureObj"><title>futures_util::future::LocalFutureObj - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct LocalFutureObj</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.into_future_obj">into_future_obj</a><a href="#method.new">new</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Drop">Drop</a><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E">From&lt;FutureObj&lt;&#39;a, T&gt;&gt;</a><a href="#impl-Future">Future</a><a href="#impl-Unpin">Unpin</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-IntoFuture">IntoFuture</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryFuture">TryFuture</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "LocalFutureObj", ty: "struct", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_task/future_obj.rs.html#16-20" title="goto source code">[src]</a></span><span class="in-band">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="struct" href="">LocalFutureObj</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct LocalFutureObj&lt;'a, T&gt; { /* fields omitted */ }</pre></div><div class="docblock"><p>A custom trait object for polling futures, roughly akin to
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct LocalFutureObj</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.into_future_obj">into_future_obj</a><a href="#method.new">new</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Drop">Drop</a><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E">From&lt;FutureObj&lt;&#39;a, T&gt;&gt;</a><a href="#impl-Future">Future</a><a href="#impl-Unpin">Unpin</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-IntoFuture">IntoFuture</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryFuture">TryFuture</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="LocalFutureObj" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="struct" href="">LocalFutureObj</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_task/future_obj.rs.html#16-20" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct LocalFutureObj&lt;'a, T&gt; { /* fields omitted */ }</pre></div><div class="docblock"><p>A custom trait object for polling futures, roughly akin to
<code>Box&lt;dyn Future&lt;Output = T&gt; + 'a&gt;</code>.</p>
<p>This custom trait object was introduced as currently it is not possible to
take <code>dyn Trait</code> by value and <code>Box&lt;dyn Trait&gt;</code> is not available in no_std
contexts.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#42-64" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>&lt;F&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: 'a + <a class="trait" href="../../futures_util/task/trait.UnsafeFutureObj.html" title="trait futures_util::task::UnsafeFutureObj">UnsafeFutureObj</a>&lt;'a, T&gt;,&nbsp;</span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#45-51" title="goto source code">[src]</a></h4><div class="docblock"><p>Create a <code>LocalFutureObj</code> from a custom trait object representation.</p>
</div><h4 id="method.into_future_obj" class="method"><code>pub unsafe fn <a href="#method.into_future_obj" class="fnname">into_future_obj</a>(self) -&gt; <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#61-63" title="goto source code">[src]</a></h4><div class="docblock"><p>Converts the <code>LocalFutureObj</code> into a <code>FutureObj</code>.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#42-64" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>&lt;F&gt;(f: F) -&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: 'a + <a class="trait" href="../../futures_util/task/trait.UnsafeFutureObj.html" title="trait futures_util::task::UnsafeFutureObj">UnsafeFutureObj</a>&lt;'a, T&gt;,&nbsp;</span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#45" title="goto source code">[src]</a></h4><div class="docblock"><p>Create a <code>LocalFutureObj</code> from a custom trait object representation.</p>
</div><h4 id="method.into_future_obj" class="method"><code>pub unsafe fn <a href="#method.into_future_obj" class="fnname">into_future_obj</a>(self) -&gt; <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#61" title="goto source code">[src]</a></h4><div class="docblock"><p>Converts the <code>LocalFutureObj</code> into a <code>FutureObj</code>.</p>
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
<p>To make this operation safe one has to ensure that the <code>UnsafeFutureObj</code>
instance from which this <code>LocalFutureObj</code> was created actually
implements <code>Send</code>.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#66-71" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#67-70" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-Drop" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Drop" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#91-97" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.drop" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#92-96" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></div><h3 id="impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;&gt; for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#73-78" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(f: <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;) -&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#75-77" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#66-71" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#67" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-Drop" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Drop" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#91-97" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.drop" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#92" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></div><h3 id="impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="impl"><code class="in-band">impl&lt;'a, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;<a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;&gt; for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-From%3CFutureObj%3C%27a%2C%20T%3E%3E" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#73-78" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(f: <a class="struct" href="../../futures_util/task/struct.FutureObj.html" title="struct futures_util::task::FutureObj">FutureObj</a>&lt;'a, T&gt;) -&gt; <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#75" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Future" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Future" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#80-89" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Output" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = T</code></h4><div class='docblock'><p>The type of value produced on completion.</p>
</div><h4 id="method.poll" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll" class="fnname">poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#84-88" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to resolve the future to a final value, registering
</div><h4 id="method.poll" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll" class="fnname">poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;T&gt;</code><a class="srclink" href="../../src/futures_task/future_obj.rs.html#84" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to resolve the future to a final value, registering
the current task for wakeup if the value is not yet available. <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll">Read more</a></p>
</div></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#25" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#108-112" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#109-111" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210-214" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211-213" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217-221" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#552-556" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from-1" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#553-555" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541-548" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-547" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl&lt;'_, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'_, T&gt;</code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/futures_task/future_obj.rs.html#25" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl&lt;'a, T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../futures_util/task/struct.LocalFutureObj.html" title="struct futures_util::task::LocalFutureObj">LocalFutureObj</a>&lt;'a, T&gt;</code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#207-211" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214-218" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#215" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from-1" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#546" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#534-541" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#538" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-IntoFuture" class="impl"><code class="in-band">impl&lt;F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a> for F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></code><a href="#impl-IntoFuture" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#20-27" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Output-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Output" class="type">Output</a> = &lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a></code></h4><div class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock'><p>The output that the future will produce on completion.</p>
</div><h4 id="associatedtype.Future" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Future" class="type">Future</a> = F</code></h4><div class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock'><p>Which kind of future are we turning this into?</p>
</div><h4 id="method.into_future" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#tymethod.into_future" class="fnname">into_future</a>(self) -&gt; &lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Future" title="type core::future::into_future::IntoFuture::Future">Future</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#24-26" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock hidden'><p>Creates a future from a value.</p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589-598" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#595-597" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div><h4 id="method.into_future" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#tymethod.into_future" class="fnname">into_future</a>(self) -&gt; &lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Future" title="type core::future::into_future::IntoFuture::Future">Future</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#24" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>into_future</code>)</div></div><div class='docblock hidden'><p>Creates a future from a value.</p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#582-591" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#588" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryFuture" class="impl"><code class="in-band">impl&lt;F, T, E&gt; <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> for F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-TryFuture" class="anchor"></a><a class="srclink" href="../../src/futures_core/future.rs.html#76-86" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Ok" class="type"><code>type <a href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" class="type">Ok</a> = T</code></h4><div class='docblock'><p>The type of successful values yielded by this future</p>
</div><h4 id="associatedtype.Error-2" class="type"><code>type <a href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" class="type">Error</a> = E</code></h4><div class='docblock'><p>The type of failures yielded by this future</p>
</div><h4 id="method.try_poll" class="method hidden"><code>pub fn <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>F&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;&lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</code><a class="srclink" href="../../src/futures_core/future.rs.html#83-85" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Poll this <code>TryFuture</code> as if it were a <code>Future</code>. <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll">Read more</a></p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#575-584" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-583" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div><h4 id="method.try_poll" class="method hidden"><code>pub fn <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>F&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;&lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</code><a class="srclink" href="../../src/futures_core/future.rs.html#83" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Poll this <code>TryFuture</code> as if it were a <code>Future</code>. <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll">Read more</a></p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#568-577" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#574" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `FutureExt` trait in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, FutureExt"><title>futures_util::future::FutureExt - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Trait FutureExt</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.flatten">flatten</a><a href="#method.flatten_stream">flatten_stream</a><a href="#method.fuse">fuse</a><a href="#method.inspect">inspect</a><a href="#method.into_stream">into_stream</a><a href="#method.left_future">left_future</a><a href="#method.map">map</a><a href="#method.map_into">map_into</a><a href="#method.never_error">never_error</a><a href="#method.now_or_never">now_or_never</a><a href="#method.poll_unpin">poll_unpin</a><a href="#method.right_future">right_future</a><a href="#method.then">then</a><a href="#method.unit_error">unit_error</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "FutureExt", ty: "trait", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/future/mod.rs.html#123-610" title="goto source code">[src]</a></span><span class="in-band">Trait <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="trait" href="">FutureExt</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait FutureExt: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> {
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Trait FutureExt</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.map">map</a><a href="#method.flatten">flatten</a><a href="#method.fuse">fuse</a><a href="#method.map_into">map_into</a><a href="#method.then">then</a><a href="#method.left_future">left_future</a><a href="#method.right_future">right_future</a><a href="#method.into_stream">into_stream</a><a href="#method.flatten_stream">flatten_stream</a><a href="#method.inspect">inspect</a><a href="#method.unit_error">unit_error</a><a href="#method.never_error">never_error</a><a href="#method.poll_unpin">poll_unpin</a><a href="#method.now_or_never">now_or_never</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="FutureExt" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="trait" href="">FutureExt</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/future/mod.rs.html#123-610" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait FutureExt: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> {
fn <a href="#method.map" class="fnname">map</a>&lt;U, F&gt;(self, f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;Self, F&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;Fut, F&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;Fut, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Map&lt;Fut, F&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = &lt;Map&lt;Fut, F&gt; as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span><br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>) -&gt; U,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
{ ... }
<div class="item-spacer"></div> fn <a href="#method.map_into" class="fnname">map_into</a>&lt;U&gt;(self) -&gt; <a class="struct" href="../../futures_util/future/struct.MapInto.html" title="struct futures_util::future::MapInto">MapInto</a>&lt;Self, U&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.MapInto.html" title="struct futures_util::future::MapInto">MapInto</a>&lt;Fut, T&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut, T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.MapInto.html" title="struct futures_util::future::MapInto">MapInto</a>&lt;Fut, T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;<a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;Fut, IntoFn&lt;T&gt;&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = &lt;<a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;Fut, IntoFn&lt;T&gt;&gt; as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span><br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
@@ -195,4 +195,5 @@ be combined with <code>expect()</code>:</p>
<span class="kw">let</span> <span class="ident">future_ready</span> <span class="op">=</span> <span class="ident">ready</span>(<span class="string">&quot;foobar&quot;</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">future_ready</span>.<span class="ident">now_or_never</span>().<span class="ident">expect</span>(<span class="string">&quot;Future not ready&quot;</span>), <span class="string">&quot;foobar&quot;</span>);</pre></div>
</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-FutureExt" class="impl"><code class="in-band">impl&lt;T:&nbsp;?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>&gt; FutureExt for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></code><a href="#impl-FutureExt" class="anchor"></a><a class="srclink" href="../../src/futures_util/future/future/mod.rs.html#119" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../../implementors/futures_util/future/trait.FutureExt.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "futures_util";</script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html>
</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-FutureExt" class="impl"><code class="in-band">impl&lt;T:&nbsp;?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>&gt; FutureExt for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></code><a href="#impl-FutureExt" class="anchor"></a><a class="srclink" href="../../src/futures_util/future/future/mod.rs.html#119" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../../implementors/futures_util/future/trait.FutureExt.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures_util"></div>
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@@ -1,7 +1,7 @@
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `TryFuture` trait in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, TryFuture"><title>futures_util::future::TryFuture - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Trait TryFuture</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Error">Error</a><a href="#associatedtype.Ok">Ok</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.try_poll">try_poll</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><script>window.sidebarCurrent = {name: "TryFuture", ty: "trait", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_core/future.rs.html#58-74" title="goto source code">[src]</a></span><span class="in-band">Trait <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="trait" href="">TryFuture</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait TryFuture: Sealed + <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> {
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Trait TryFuture</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Error">Error</a><a href="#associatedtype.Ok">Ok</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.try_poll">try_poll</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="TryFuture" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="trait" href="">TryFuture</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_core/future.rs.html#58-74" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait TryFuture: Sealed + <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> {
type <a href="#associatedtype.Ok" class="type">Ok</a>;
type <a href="#associatedtype.Error" class="type">Error</a>;
pub fn <a href="#tymethod.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;&gt;;
@@ -13,4 +13,5 @@ a variety of adapters tailored to such futures.</p>
<p>This method is a stopgap for a compiler limitation that prevents us from
directly inheriting from the <code>Future</code> trait; in the future it won't be
needed.</p>
</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-TryFuture" class="impl"><code class="in-band">impl&lt;F, T, E&gt; TryFuture for F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-TryFuture" class="anchor"></a><a class="srclink" href="../../src/futures_core/future.rs.html#76-86" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Ok-1" class="type"><code>type <a href="#associatedtype.Ok-1" class="type">Ok</a> = T</code></h4><h4 id="associatedtype.Error-1" class="type"><code>type <a href="#associatedtype.Error-1" class="type">Error</a> = E</code></h4><h4 id="method.try_poll" class="method hidden"><code>pub fn <a href="#method.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>F&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;&lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</code><a class="srclink" href="../../src/futures_core/future.rs.html#83-85" title="goto source code">[src]</a></h4></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../../implementors/futures_core/future/trait.TryFuture.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "futures_util";</script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html>
</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-TryFuture" class="impl"><code class="in-band">impl&lt;F, T, E&gt; TryFuture for F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-TryFuture" class="anchor"></a><a class="srclink" href="../../src/futures_core/future.rs.html#76-86" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Ok-1" class="type"><code>type <a href="#associatedtype.Ok-1" class="type">Ok</a> = T</code></h4><h4 id="associatedtype.Error-1" class="type"><code>type <a href="#associatedtype.Error-1" class="type">Error</a> = E</code></h4><h4 id="method.try_poll" class="method hidden"><code>pub fn <a href="#method.try_poll" class="fnname">try_poll</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>F&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;&lt;F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</code><a class="srclink" href="../../src/futures_core/future.rs.html#83" title="goto source code">[src]</a></h4></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../../implementors/futures_core/future/trait.TryFuture.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures_util"></div>
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@@ -1,7 +1,7 @@
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `TryFutureExt` trait in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, TryFutureExt"><title>futures_util::future::TryFutureExt - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_future/mod.rs.html#137-619" title="goto source code">[src]</a></span><span class="in-band">Trait <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="trait" href="">TryFutureExt</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait TryFutureExt: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> {
<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Trait TryFutureExt</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.and_then">and_then</a><a href="#method.into_future">into_future</a><a href="#method.try_flatten">try_flatten</a><a href="#method.map_ok">map_ok</a><a href="#method.map_ok_or_else">map_ok_or_else</a><a href="#method.map_err">map_err</a><a href="#method.err_into">err_into</a><a href="#method.ok_into">ok_into</a><a href="#method.or_else">or_else</a><a href="#method.inspect_ok">inspect_ok</a><a href="#method.inspect_err">inspect_err</a><a href="#method.try_flatten_stream">try_flatten_stream</a><a href="#method.unwrap_or_else">unwrap_or_else</a><a href="#method.try_poll_unpin">try_poll_unpin</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a></p><div id="sidebar-vars" data-name="TryFutureExt" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="trait" href="">TryFutureExt</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/future/try_future/mod.rs.html#137-619" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust trait">pub trait TryFutureExt: <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> {
fn <a href="#method.map_ok" class="fnname">map_ok</a>&lt;T, F&gt;(self, f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.MapOk.html" title="struct futures_util::future::MapOk">MapOk</a>&lt;Self, F&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.MapOk.html" title="struct futures_util::future::MapOk">MapOk</a>&lt;Fut, F&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.MapOk.html" title="struct futures_util::future::MapOk">MapOk</a>&lt;Fut, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;<a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;<a class="struct" href="../../futures_util/future/struct.IntoFuture.html" title="struct futures_util::future::IntoFuture">IntoFuture</a>&lt;Fut&gt;, MapOkFn&lt;F&gt;&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = &lt;<a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;<a class="struct" href="../../futures_util/future/struct.IntoFuture.html" title="struct futures_util::future::IntoFuture">IntoFuture</a>&lt;Fut&gt;, MapOkFn&lt;F&gt;&gt; as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span><br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>) -&gt; T,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
{ ... }
<div class="item-spacer"></div> fn <a href="#method.map_ok_or_else" class="fnname">map_ok_or_else</a>&lt;T, E, F&gt;(self, e: E, f: F) -&gt; <a class="struct" href="../../futures_util/future/struct.MapOkOrElse.html" title="struct futures_util::future::MapOkOrElse">MapOkOrElse</a>&lt;Self, F, E&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/future/struct.MapOkOrElse.html" title="struct futures_util::future::MapOkOrElse">MapOkOrElse</a>&lt;Fut, F, G&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Fut, F, G&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/future/struct.MapOkOrElse.html" title="struct futures_util::future::MapOkOrElse">MapOkOrElse</a>&lt;Fut, F, G&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;<a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;<a class="struct" href="../../futures_util/future/struct.IntoFuture.html" title="struct futures_util::future::IntoFuture">IntoFuture</a>&lt;Fut&gt;, ChainFn&lt;MapOkFn&lt;F&gt;, ChainFn&lt;MapErrFn&lt;G&gt;, MergeResultFn&gt;&gt;&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = &lt;<a class="struct" href="../../futures_util/future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;<a class="struct" href="../../futures_util/future/struct.IntoFuture.html" title="struct futures_util::future::IntoFuture">IntoFuture</a>&lt;Fut&gt;, ChainFn&lt;MapOkFn&lt;F&gt;, ChainFn&lt;MapErrFn&lt;G&gt;, MergeResultFn&gt;&gt;&gt; as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span><br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>) -&gt; T,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>) -&gt; T,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a></span>,
@@ -248,4 +248,5 @@ compiler.</p>
<span class="ident">take_future</span>(<span class="ident">make_try_future</span>().<span class="ident">into_future</span>());</pre></div>
</div><h3 id="method.try_poll_unpin" class="method"><code>fn <a href="#method.try_poll_unpin" class="fnname">try_poll_unpin</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Ok" title="type futures_util::future::TryFuture::Ok">Ok</a>, Self::<a class="type" href="../../futures_util/future/trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>&gt;&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/future/try_future/mod.rs.html#613-618" title="goto source code">[src]</a></h3><div class="docblock"><p>A convenience method for calling <a href="../../futures_util/future/trait.TryFuture.html#tymethod.try_poll" title="TryFuture::try_poll"><code>TryFuture::try_poll</code></a> on <a href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="Unpin"><code>Unpin</code></a>
future types.</p>
</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><h3 id="impl-TryFutureExt" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="../../futures_util/future/trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>&gt; TryFutureExt for Fut</code><a href="#impl-TryFutureExt" class="anchor"></a><a class="srclink" href="../../src/futures_util/future/try_future/mod.rs.html#134" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../../implementors/futures_util/future/trait.TryFutureExt.js" async></script></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "futures_util";</script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html>
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