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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 `BufReader` struct in crate `tokio`."><meta name="keywords" content="rust, rustlang, rust-lang, BufReader"><title>tokio::io::BufReader - 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">☰</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 BufReader</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.buffer">buffer</a><a href="#method.get_mut">get_mut</a><a href="#method.get_pin_mut">get_pin_mut</a><a href="#method.get_ref">get_ref</a><a href="#method.into_inner">into_inner</a><a href="#method.new">new</a><a href="#method.with_capacity">with_capacity</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-AsyncBufRead">AsyncBufRead</a><a href="#impl-AsyncRead">AsyncRead</a><a href="#impl-AsyncWrite">AsyncWrite</a><a href="#impl-Debug">Debug</a><a href="#impl-From%3CBufReader%3CBufWriter%3CRW%3E%3E%3E">From<BufReader<BufWriter<RW>>></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<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class="location"><a href="../index.html">tokio</a>::<wbr><a href="index.html">io</a></p><script>window.sidebarCurrent = {name: "BufReader", 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>
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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">−</span>]</a></span><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#10-34" title="goto source code">[src]</a></span><span class="in-band">Struct <a href="../index.html">tokio</a>::<wbr><a href="index.html">io</a>::<wbr><a class="struct" href="">BufReader</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct">pub struct BufReader<R> { /* fields omitted */ }</pre></div><div class="docblock"><p>The <code>BufReader</code> struct adds buffering to any reader.</p>
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<p>It can be excessively inefficient to work directly with a <a href="../../tokio/io/trait.AsyncRead.html" title="AsyncRead"><code>AsyncRead</code></a>
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instance. A <code>BufReader</code> performs large, infrequent reads on the underlying
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<a href="../../tokio/io/trait.AsyncRead.html" title="AsyncRead"><code>AsyncRead</code></a> and maintains an in-memory buffer of the results.</p>
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<p><code>BufReader</code> can improve the speed of programs that make <em>small</em> and
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<em>repeated</em> read calls to the same file or network socket. It does not
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help when reading very large amounts at once, or reading just one or a few
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times. It also provides no advantage when reading from a source that is
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already in memory, like a <code>Vec<u8></code>.</p>
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<p>When the <code>BufReader</code> is dropped, the contents of its buffer will be
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discarded. Creating multiple instances of a <code>BufReader</code> on the same
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stream can cause data loss.</p>
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</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<R: <a class="trait" href="../../tokio/io/trait.AsyncRead.html" title="trait tokio::io::AsyncRead">AsyncRead</a>> <a class="struct" href="../../tokio/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R></code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#36-96" 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>(inner: R) -> Self</code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#39-41" title="goto source code">[src]</a></h4><div class="docblock"><p>Creates a new <code>BufReader</code> with a default buffer capacity. The default is currently 8 KB,
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but may change in the future.</p>
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</div><h4 id="method.with_capacity" class="method"><code>pub fn <a href="#method.with_capacity" class="fnname">with_capacity</a>(capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, inner: R) -> Self</code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#44-52" title="goto source code">[src]</a></h4><div class="docblock"><p>Creates a new <code>BufReader</code> with the specified buffer capacity.</p>
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</div><h4 id="method.get_ref" class="method"><code>pub fn <a href="#method.get_ref" class="fnname">get_ref</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>R<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">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, 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> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> 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>, </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> = <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>>::<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="../../src/tokio/io/util/buf_reader.rs.html#57-59" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets a reference to the underlying reader.</p>
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<p>It is inadvisable to directly read from the underlying reader.</p>
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</div><h4 id="method.get_mut" class="method"><code>pub fn <a href="#method.get_mut" class="fnname">get_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>R<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">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, 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> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> 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>, </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> = <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>>::<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="../../src/tokio/io/util/buf_reader.rs.html#64-66" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets a mutable reference to the underlying reader.</p>
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<p>It is inadvisable to directly read from the underlying reader.</p>
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</div><h4 id="method.get_pin_mut" class="method"><code>pub fn <a href="#method.get_pin_mut" class="fnname">get_pin_mut</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>R><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="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><P></h3><code class="content"><span class="where fmt-newline">impl<P> <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="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><P> <span class="where fmt-newline">where<br> P: <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/ops/deref/trait.DerefMut.html" title="trait core::ops::deref::DerefMut">DerefMut</a>,<br> <P as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</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>, </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> = <<P as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a> 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>>::<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="../../src/tokio/io/util/buf_reader.rs.html#71-73" title="goto source code">[src]</a></h4><div class="docblock"><p>Gets a pinned mutable reference to the underlying reader.</p>
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<p>It is inadvisable to directly read from the underlying reader.</p>
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</div><h4 id="method.into_inner" class="method"><code>pub fn <a href="#method.into_inner" class="fnname">into_inner</a>(self) -> R</code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#78-80" title="goto source code">[src]</a></h4><div class="docblock"><p>Consumes this <code>BufReader</code>, returning the underlying reader.</p>
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<p>Note that any leftover data in the internal buffer is lost.</p>
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</div><h4 id="method.buffer" class="method"><code>pub fn <a href="#method.buffer" class="fnname">buffer</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a></code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#85-87" title="goto source code">[src]</a></h4><div class="docblock"><p>Returns a reference to the internally buffered data.</p>
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<p>Unlike <code>fill_buf</code>, this will not attempt to fill the buffer if it is empty.</p>
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</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-AsyncBufRead" class="impl"><code class="in-band">impl<R: <a class="trait" href="../../tokio/io/trait.AsyncRead.html" title="trait tokio::io::AsyncRead">AsyncRead</a>> <a class="trait" href="../../tokio/io/trait.AsyncBufRead.html" title="trait tokio::io::AsyncBufRead">AsyncBufRead</a> for <a class="struct" href="../../tokio/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R></code><a href="#impl-AsyncBufRead" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#120-142" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.poll_fill_buf" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncBufRead.html#tymethod.poll_fill_buf" class="fnname">poll_fill_buf</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, <br> cx: &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><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>>></code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#121-136" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempts to return the contents of the internal buffer, filling it with more data
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from the inner reader if it is empty. <a href="../../tokio/io/trait.AsyncBufRead.html#tymethod.poll_fill_buf">Read more</a></p>
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</div><h4 id="method.consume" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncBufRead.html#tymethod.consume" class="fnname">consume</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, amt: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#138-141" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Tells this buffer that <code>amt</code> bytes have been consumed from the buffer,
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so they should no longer be returned in calls to <a href="../../tokio/io/trait.AsyncRead.html#tymethod.poll_read"><code>poll_read</code></a>. <a href="../../tokio/io/trait.AsyncBufRead.html#tymethod.consume">Read more</a></p>
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</div></div><h3 id="impl-AsyncRead" class="impl"><code class="in-band">impl<R: <a class="trait" href="../../tokio/io/trait.AsyncRead.html" title="trait tokio::io::AsyncRead">AsyncRead</a>> <a class="trait" href="../../tokio/io/trait.AsyncRead.html" title="trait tokio::io::AsyncRead">AsyncRead</a> for <a class="struct" href="../../tokio/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R></code><a href="#impl-AsyncRead" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#98-118" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.poll_read" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncRead.html#tymethod.poll_read" class="fnname">poll_read</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, <br> cx: &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><'_>, <br> buf: &mut <a class="struct" href="../../tokio/io/struct.ReadBuf.html" title="struct tokio::io::ReadBuf">ReadBuf</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>>></code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#99-117" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempts to read from the <code>AsyncRead</code> into <code>buf</code>. <a href="../../tokio/io/trait.AsyncRead.html#tymethod.poll_read">Read more</a></p>
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</div></div><h3 id="impl-AsyncWrite" class="impl"><code class="in-band">impl<R: <a class="trait" href="../../tokio/io/trait.AsyncRead.html" title="trait tokio::io::AsyncRead">AsyncRead</a> + <a class="trait" href="../../tokio/io/trait.AsyncWrite.html" title="trait tokio::io::AsyncWrite">AsyncWrite</a>> <a class="trait" href="../../tokio/io/trait.AsyncWrite.html" title="trait tokio::io::AsyncWrite">AsyncWrite</a> for <a class="struct" href="../../tokio/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R></code><a href="#impl-AsyncWrite" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#144-160" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.poll_write" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_write" class="fnname">poll_write</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, <br> cx: &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><'_>, <br> buf: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>>></code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#145-151" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to write bytes from <code>buf</code> into the object. <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_write">Read more</a></p>
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</div><h4 id="method.poll_flush" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_flush" class="fnname">poll_flush</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, cx: &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><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>>></code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#153-155" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempts to flush the object, ensuring that any buffered data reach
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||
their destination. <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_flush">Read more</a></p>
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</div><h4 id="method.poll_shutdown" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_shutdown" class="fnname">poll_shutdown</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, cx: &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><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>>></code><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#157-159" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Initiates or attempts to shut down this writer, returning success when
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||
the I/O connection has completely shut down. <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_shutdown">Read more</a></p>
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||
</div><h4 id="method.poll_write_vectored" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncWrite.html#method.poll_write_vectored" class="fnname">poll_write_vectored</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, <br> cx: &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><'_>, <br> bufs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a><a class="struct" href="https://doc.rust-lang.org/nightly/std/io/struct.IoSlice.html" title="struct std::io::IoSlice">IoSlice</a><'_><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>>></code><a class="srclink" href="../../src/tokio/io/async_write.rs.html#154-164" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Like <a href="../../tokio/io/trait.AsyncWrite.html#tymethod.poll_write"><code>poll_write</code></a>, except that it writes from a slice of buffers. <a href="../../tokio/io/trait.AsyncWrite.html#method.poll_write_vectored">Read more</a></p>
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||
</div><h4 id="method.is_write_vectored" class="method hidden"><code>fn <a href="../../tokio/io/trait.AsyncWrite.html#method.is_write_vectored" class="fnname">is_write_vectored</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../../src/tokio/io/async_write.rs.html#176-178" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Determines if this writer has an efficient <a href="../../tokio/io/trait.AsyncWrite.html#method.poll_write_vectored"><code>poll_write_vectored</code></a>
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||
implementation. <a href="../../tokio/io/trait.AsyncWrite.html#method.is_write_vectored">Read more</a></p>
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||
</div></div><h3 id="impl-Debug" class="impl"><code class="in-band">impl<R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>> <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/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#162-172" 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>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <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/io/util/buf_reader.rs.html#163-171" 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>
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</div></div><h3 id="impl-From%3CBufReader%3CBufWriter%3CRW%3E%3E%3E" class="impl"><code class="in-band">impl<RW> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="../../tokio/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><<a class="struct" href="../../tokio/io/struct.BufWriter.html" title="struct tokio::io::BufWriter">BufWriter</a><RW>>> for <a class="struct" href="../../tokio/io/struct.BufStream.html" title="struct tokio::io::BufStream">BufStream</a><RW></code><a href="#impl-From%3CBufReader%3CBufWriter%3CRW%3E%3E%3E" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_stream.rs.html#81-85" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(b: <a class="struct" href="../../tokio/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><<a class="struct" href="../../tokio/io/struct.BufWriter.html" title="struct tokio::io::BufWriter">BufWriter</a><RW>>) -> Self</code><a class="srclink" href="../../src/tokio/io/util/buf_stream.rs.html#82-84" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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||
</div></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl<'__pin, R> <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/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R> <span class="where fmt-newline">where<br> __Origin<'__pin, R>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, </span></code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/tokio/io/util/buf_reader.rs.html#10-34" 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<R> <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/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>, </span></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<R> <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/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </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<R> <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/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </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<R> <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/io/struct.BufReader.html" title="struct tokio::io::BufReader">BufReader</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></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<T> <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> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </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>(&self) -> <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>
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</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </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>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</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">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, 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> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> 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>, </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> = <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>>::<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#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>
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</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </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>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&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">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, 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> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> 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>, </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> = <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>>::<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#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>
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</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> 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) -> 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>
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</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </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) -> 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>
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</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </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>
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</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) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<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><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>
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</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </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> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<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>
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</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) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<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><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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