Files
GopherGate/target/doc/hyper/rt/trait.Read.html
2026-02-26 12:00:21 -05:00

35 lines
13 KiB
HTML

<!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="Reads bytes from a source."><title>Read in hyper::rt - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="hyper" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Read</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../hyper/index.html">hyper</a><span class="version">1.8.1</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Read</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.poll_read" title="poll_read">poll_read</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-Read-for-%26mut+T" title="&#38;mut T">&#38;mut T</a></li><li><a href="#impl-Read-for-Box%3CT%3E" title="Box&#60;T&#62;">Box&#60;T&#62;</a></li><li><a href="#impl-Read-for-Pin%3CP%3E" title="Pin&#60;P&#62;">Pin&#60;P&#62;</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In hyper::<wbr>rt</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">hyper</a>::<wbr><a href="index.html">rt</a></div><h1>Trait <span class="trait">Read</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/hyper/rt/io.rs.html#28-43">Source</a> </span></div><pre class="rust item-decl"><code>pub trait Read {
// Required method
fn <a href="#tymethod.poll_read" class="fn">poll_read</a>(
self: <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut Self&gt;,
cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;,
buf: <a class="struct" href="struct.ReadBufCursor.html" title="struct hyper::rt::ReadBufCursor">ReadBufCursor</a>&lt;'_&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>&gt;&gt;;
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Reads bytes from a source.</p>
<p>This trait is similar to <code>std::io::Read</code>, but supports asynchronous reads.</p>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.poll_read" class="method"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#38-42">Source</a><h4 class="code-header">fn <a href="#tymethod.poll_read" class="fn">poll_read</a>(
self: <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut Self&gt;,
cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;,
buf: <a class="struct" href="struct.ReadBufCursor.html" title="struct hyper::rt::ReadBufCursor">ReadBufCursor</a>&lt;'_&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/std/io/error/struct.Error.html" title="struct std::io::error::Error">Error</a>&gt;&gt;</h4></section></summary><div class="docblock"><p>Attempts to read bytes into the <code>buf</code>.</p>
<p>On success, returns <code>Poll::Ready(Ok(()))</code> and places data in the
unfilled portion of <code>buf</code>. If no data was read (<code>buf.remaining()</code> is
unchanged), it implies that EOF has been reached.</p>
<p>If no data is available for reading, the method returns <code>Poll::Pending</code>
and arranges for the current task (via <code>cx.waker()</code>) to receive a
notification when the object becomes readable or is closed.</p>
</div></details></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-Read-for-Pin%3CP%3E" class="impl"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#308-320">Source</a><a href="#impl-Read-for-Pin%3CP%3E" class="anchor">§</a><h3 class="code-header">impl&lt;P&gt; <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a> for <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;P&gt;<div class="where">where
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.DerefMut.html" title="trait core::ops::deref::DerefMut">DerefMut</a>,
P::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a>: <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a>,</div></h3></section></summary><div class="impl-items"><section id="method.poll_read" class="method trait-impl"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#313-319">Source</a><a href="#method.poll_read" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.poll_read" class="fn">poll_read</a>(
self: <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut Self&gt;,
cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;,
buf: <a class="struct" href="struct.ReadBufCursor.html" title="struct hyper::rt::ReadBufCursor">ReadBufCursor</a>&lt;'_&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="type" href="https://doc.rust-lang.org/1.93.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Read-for-%26mut+T" class="impl"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#304-306">Source</a><a href="#impl-Read-for-%26mut+T" class="anchor">§</a><h3 class="code-header">impl&lt;T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>&gt; <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a> for <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;mut T</a></h3></section></summary><div class="impl-items"><section id="method.poll_read-1" class="method trait-impl"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#305">Source</a><a href="#method.poll_read-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.poll_read" class="fn">poll_read</a>(
self: <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut Self&gt;,
cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;,
buf: <a class="struct" href="struct.ReadBufCursor.html" title="struct hyper::rt::ReadBufCursor">ReadBufCursor</a>&lt;'_&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="type" href="https://doc.rust-lang.org/1.93.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Read-for-Box%3CT%3E" class="impl"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#300-302">Source</a><a href="#impl-Read-for-Box%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>&gt; <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a> for <a class="struct" href="https://doc.rust-lang.org/1.93.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><section id="method.poll_read-2" class="method trait-impl"><a class="src rightside" href="../../src/hyper/rt/io.rs.html#301">Source</a><a href="#method.poll_read-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.poll_read" class="fn">poll_read</a>(
self: <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut Self&gt;,
cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;,
buf: <a class="struct" href="struct.ReadBufCursor.html" title="struct hyper::rt::ReadBufCursor">ReadBufCursor</a>&lt;'_&gt;,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="type" href="https://doc.rust-lang.org/1.93.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>&gt;&gt;</h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-Read-for-Upgraded" class="impl"><a class="src rightside" href="../../src/hyper/upgrade.rs.html#165-173">Source</a><a href="#impl-Read-for-Upgraded" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Read.html" title="trait hyper::rt::Read">Read</a> for <a class="struct" href="../upgrade/struct.Upgraded.html" title="struct hyper::upgrade::Upgraded">Upgraded</a></h3></section></div><script src="../../trait.impl/hyper/rt/io/trait.Read.js" data-ignore-extern-crates="alloc,core" async></script></section></div></main></body></html>