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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 `Receiver` struct in crate `tokio`."><meta name="keywords" content="rust, rustlang, rust-lang, Receiver"><title>tokio::sync::mpsc::Receiver - 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='../../../tokio/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a><p class="location">Struct Receiver</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.blocking_recv">blocking_recv</a><a href="#method.close">close</a><a href="#method.poll_recv">poll_recv</a><a href="#method.recv">recv</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-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-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><p class="location"><a href="../../index.html">tokio</a>::<wbr><a href="../index.html">sync</a>::<wbr><a href="index.html">mpsc</a></p><div id="sidebar-vars" data-name="Receiver" 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">tokio</a>::<wbr><a href="../index.html">sync</a>::<wbr><a href="index.html">mpsc</a>::<wbr><a class="struct" href="">Receiver</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/tokio/sync/mpsc/bounded.rs.html#43-46" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct Receiver&lt;T&gt; { /* fields omitted */ }</pre></div><div class="docblock"><p>Receive values from the associated <code>Sender</code>.</p>
<p>Instances are created by the <a href="../../../tokio/sync/mpsc/fn.channel.html"><code>channel</code></a> function.</p>
<p>This receiver can be turned into a <code>Stream</code> using <a href="https://docs.rs/tokio-stream/0.1/tokio_stream/wrappers/struct.ReceiverStream.html"><code>ReceiverStream</code></a>.</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;T&gt; <a class="struct" href="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#107-285" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.recv" class="method"><code>pub async fn <a href="#method.recv" class="fnname">recv</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;T&gt;</code><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#164-167" title="goto source code">[src]</a></h4><div class="docblock"><p>Receives the next value for this receiver.</p>
<p>This method returns <code>None</code> if the channel has been closed and there are
no remaining messages in the channel's buffer. This indicates that no
further values can ever be received from this <code>Receiver</code>. The channel is
closed when all senders have been dropped, or when <a href="../../../tokio/sync/mpsc/struct.Receiver.html#method.close"><code>close</code></a> is called.</p>
<p>If there are no messages in the channel's buffer, but the channel has
not yet been closed, this method will sleep until a message is sent or
the channel is closed.</p>
<p>Note that if <a href="../../../tokio/sync/mpsc/struct.Receiver.html#method.close"><code>close</code></a> is called, but there are still outstanding
<a href="../../../tokio/sync/mpsc/struct.Permit.html"><code>Permits</code></a> from before it was closed, the channel is not considered
closed by <code>recv</code> until the permits are released.</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">tokio</span>::<span class="ident">sync</span>::<span class="ident">mpsc</span>;
<span class="attribute">#[<span class="ident">tokio</span>::<span class="ident">main</span>]</span>
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">main</span>() {
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="kw-2">mut</span> <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">mpsc</span>::<span class="ident">channel</span>(<span class="number">100</span>);
<span class="ident">tokio</span>::<span class="ident">spawn</span>(<span class="kw">async</span> <span class="kw">move</span> {
<span class="ident">tx</span>.<span class="ident">send</span>(<span class="string">&quot;hello&quot;</span>).<span class="kw">await</span>.<span class="ident">unwrap</span>();
});
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="string">&quot;hello&quot;</span>), <span class="ident">rx</span>.<span class="ident">recv</span>().<span class="kw">await</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="ident">rx</span>.<span class="ident">recv</span>().<span class="kw">await</span>);
}</pre></div>
<p>Values are buffered:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">tokio</span>::<span class="ident">sync</span>::<span class="ident">mpsc</span>;
<span class="attribute">#[<span class="ident">tokio</span>::<span class="ident">main</span>]</span>
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">main</span>() {
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="kw-2">mut</span> <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">mpsc</span>::<span class="ident">channel</span>(<span class="number">100</span>);
<span class="ident">tx</span>.<span class="ident">send</span>(<span class="string">&quot;hello&quot;</span>).<span class="kw">await</span>.<span class="ident">unwrap</span>();
<span class="ident">tx</span>.<span class="ident">send</span>(<span class="string">&quot;world&quot;</span>).<span class="kw">await</span>.<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="string">&quot;hello&quot;</span>), <span class="ident">rx</span>.<span class="ident">recv</span>().<span class="kw">await</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="string">&quot;world&quot;</span>), <span class="ident">rx</span>.<span class="ident">recv</span>().<span class="kw">await</span>);
}</pre></div>
</div><h4 id="method.blocking_recv" class="method"><code>pub fn <a href="#method.blocking_recv" class="fnname">blocking_recv</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;T&gt;</code><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#220-222" title="goto source code">[src]</a></h4><div class="docblock"><p>Blocking receive to call outside of asynchronous contexts.</p>
<p>This method returns <code>None</code> if the channel has been closed and there are
no remaining messages in the channel's buffer. This indicates that no
further values can ever be received from this <code>Receiver</code>. The channel is
closed when all senders have been dropped, or when <a href="../../../tokio/sync/mpsc/struct.Receiver.html#method.close"><code>close</code></a> is called.</p>
<p>If there are no messages in the channel's buffer, but the channel has
not yet been closed, this method will block until a message is sent or
the channel is closed.</p>
<p>This method is intended for use cases where you are sending from
asynchronous code to synchronous code, and will work even if the sender
is not using <a href="../../../tokio/sync/mpsc/struct.Sender.html#method.blocking_send"><code>blocking_send</code></a> to send the message.</p>
<p>Note that if <a href="../../../tokio/sync/mpsc/struct.Receiver.html#method.close"><code>close</code></a> is called, but there are still outstanding
<a href="../../../tokio/sync/mpsc/struct.Permit.html"><code>Permits</code></a> from before it was closed, the channel is not considered
closed by <code>blocking_recv</code> until the permits are released.</p>
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
<p>This function panics if called within an asynchronous execution
context.</p>
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">thread</span>;
<span class="kw">use</span> <span class="ident">tokio</span>::<span class="ident">runtime</span>::<span class="ident">Runtime</span>;
<span class="kw">use</span> <span class="ident">tokio</span>::<span class="ident">sync</span>::<span class="ident">mpsc</span>;
<span class="kw">fn</span> <span class="ident">main</span>() {
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="kw-2">mut</span> <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">mpsc</span>::<span class="ident">channel</span>::<span class="op">&lt;</span><span class="ident">u8</span><span class="op">&gt;</span>(<span class="number">10</span>);
<span class="kw">let</span> <span class="ident">sync_code</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span> <span class="op">|</span><span class="op">|</span> {
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="number">10</span>), <span class="ident">rx</span>.<span class="ident">blocking_recv</span>());
});
<span class="ident">Runtime</span>::<span class="ident">new</span>()
.<span class="ident">unwrap</span>()
.<span class="ident">block_on</span>(<span class="kw">async</span> <span class="kw">move</span> {
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">tx</span>.<span class="ident">send</span>(<span class="number">10</span>).<span class="kw">await</span>;
});
<span class="ident">sync_code</span>.<span class="ident">join</span>().<span class="ident">unwrap</span>()
}</pre></div>
</div><h4 id="method.close" class="method"><code>pub fn <a href="#method.close" class="fnname">close</a>(&amp;mut self)</code><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#263-265" title="goto source code">[src]</a></h4><div class="docblock"><p>Closes the receiving half of a channel without dropping it.</p>
<p>This prevents any further messages from being sent on the channel while
still enabling the receiver to drain messages that are buffered. Any
outstanding <a href="../../../tokio/sync/mpsc/struct.Permit.html"><code>Permit</code></a> values will still be able to send messages.</p>
<p>To guarantee that no messages are dropped, after calling <code>close()</code>,
<code>recv()</code> must be called until <code>None</code> is returned. If there are
outstanding <a href="../../../tokio/sync/mpsc/struct.Permit.html"><code>Permit</code></a> values, the <code>recv</code> method will not return <code>None</code>
until those are released.</p>
<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">tokio</span>::<span class="ident">sync</span>::<span class="ident">mpsc</span>;
<span class="attribute">#[<span class="ident">tokio</span>::<span class="ident">main</span>]</span>
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">main</span>() {
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="kw-2">mut</span> <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">mpsc</span>::<span class="ident">channel</span>(<span class="number">20</span>);
<span class="ident">tokio</span>::<span class="ident">spawn</span>(<span class="kw">async</span> <span class="kw">move</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">i</span> <span class="op">=</span> <span class="number">0</span>;
<span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">permit</span>) <span class="op">=</span> <span class="ident">tx</span>.<span class="ident">reserve</span>().<span class="kw">await</span> {
<span class="ident">permit</span>.<span class="ident">send</span>(<span class="ident">i</span>);
<span class="ident">i</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
}
});
<span class="ident">rx</span>.<span class="ident">close</span>();
<span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">msg</span>) <span class="op">=</span> <span class="ident">rx</span>.<span class="ident">recv</span>().<span class="kw">await</span> {
<span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;got {}&quot;</span>, <span class="ident">msg</span>);
}
<span class="comment">// Channel closed and no messages are lost.</span>
}</pre></div>
</div><h4 id="method.poll_recv" class="method"><code>pub fn <a href="#method.poll_recv" class="fnname">poll_recv</a>(&amp;mut self, 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;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;T&gt;&gt;</code><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#282-284" title="goto source code">[src]</a></h4><div class="docblock"><p>Polls to receive the next message on this channel.</p>
<p>This method returns:</p>
<ul>
<li><code>Poll::Pending</code> if no messages are available but the channel is not
closed.</li>
<li><code>Poll::Ready(Some(message))</code> if a message is available.</li>
<li><code>Poll::Ready(None)</code> if the channel has been closed and all messages
sent before it was closed have been received.</li>
</ul>
<p>When the method returns <code>Poll::Pending</code>, the <code>Waker</code> in the provided
<code>Context</code> is scheduled to receive a wakeup when a message is sent on any
receiver, or when the channel is closed. Note that on multiple calls to
<code>poll_recv</code>, only the <code>Waker</code> from the <code>Context</code> passed to the most
recent call is scheduled to receive a wakeup.</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="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt;</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#287-293" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, fmt: &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="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#288-292" 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-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="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt;</code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../../src/tokio/sync/mpsc/bounded.rs.html#295" 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;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="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt;</code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../../src/tokio/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;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="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt; <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.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../../src/tokio/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;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="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt; <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.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../../src/tokio/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;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="../../../tokio/sync/mpsc/struct.Receiver.html" title="struct tokio::sync::mpsc::Receiver">Receiver</a>&lt;T&gt;</code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../../src/tokio/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<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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, 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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'_ mut </a>F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</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.Sized.html" title="trait core::marker::Sized">Sized</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;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>;</span></code></span></div></span></span></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<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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl&lt;'_, 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="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'_ mut </a>F <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</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.Sized.html" title="trait core::marker::Sized">Sized</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;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>;</span></code></span></div></span></span></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" 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-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-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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