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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="A `Cursor` wraps an in-memory buffer and provides it with a `AsyncSeek` implementation."><meta name="keywords" content="rust, rustlang, rust-lang, Cursor"><title>Cursor in futures::io - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin 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class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../futures/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../futures/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Cursor</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.get_mut">get_mut</a></li><li><a href="#method.get_ref">get_ref</a></li><li><a href="#method.into_inner">into_inner</a></li><li><a href="#method.new">new</a></li><li><a href="#method.position">position</a></li><li><a href="#method.set_position">set_position</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-AsyncBufRead-for-Cursor%3CT%3E">AsyncBufRead</a></li><li><a href="#impl-AsyncRead-for-Cursor%3CT%3E">AsyncRead</a></li><li><a href="#impl-AsyncSeek-for-Cursor%3CT%3E">AsyncSeek</a></li><li><a href="#impl-AsyncWrite-for-Cursor%3C%26mut%20%5Bu8%5D%3E">AsyncWrite</a></li><li><a href="#impl-AsyncWrite-for-Cursor%3C%26mut%20Vec%3Cu8%2C%20Global%3E%3E">AsyncWrite</a></li><li><a href="#impl-AsyncWrite-for-Cursor%3CBox%3C%5Bu8%5D%2C%20Global%3E%3E">AsyncWrite</a></li><li><a href="#impl-AsyncWrite-for-Cursor%3CVec%3Cu8%2C%20Global%3E%3E">AsyncWrite</a></li><li><a href="#impl-Clone-for-Cursor%3CT%3E">Clone</a></li><li><a href="#impl-Debug-for-Cursor%3CT%3E">Debug</a></li><li><a href="#impl-Default-for-Cursor%3CT%3E">Default</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Cursor%3CT%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Cursor%3CT%3E">Send</a></li><li><a href="#impl-Sync-for-Cursor%3CT%3E">Sync</a></li><li><a href="#impl-Unpin-for-Cursor%3CT%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Cursor%3CT%3E">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Cursor%3CT%3E">Any</a></li><li><a href="#impl-AsyncBufReadExt-for-Cursor%3CT%3E">AsyncBufReadExt</a></li><li><a href="#impl-AsyncReadExt-for-Cursor%3CT%3E">AsyncReadExt</a></li><li><a href="#impl-AsyncSeekExt-for-Cursor%3CT%3E">AsyncSeekExt</a></li><li><a href="#impl-AsyncWriteExt-for-Cursor%3CT%3E">AsyncWriteExt</a></li><li><a href="#impl-Borrow%3CT%3E-for-Cursor%3CT%3E">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Cursor%3CT%3E">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-Cursor%3CT%3E">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-Cursor%3CT%3E">Into&lt;U&gt;</a></li><li><a href="#impl-ToOwned-for-Cursor%3CT%3E">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Cursor%3CT%3E">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-Cursor%3CT%3E">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In futures::io</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">futures</a>::<wbr><a href="index.html">io</a>::<wbr><a class="struct" href="#">Cursor</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/futures_util/io/cursor.rs.html#23">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct Cursor&lt;T&gt; { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A <code>Cursor</code> wraps an in-memory buffer and provides it with a
<a href="trait.AsyncSeek.html"><code>AsyncSeek</code></a> implementation.</p>
<p><code>Cursor</code>s are used with in-memory buffers, anything implementing
<code>AsRef&lt;[u8]&gt;</code>, to allow them to implement <a href="trait.AsyncRead.html"><code>AsyncRead</code></a> and/or <a href="trait.AsyncWrite.html"><code>AsyncWrite</code></a>,
allowing these buffers to be used anywhere you might use a reader or writer
that does actual I/O.</p>
<p>This library implements some I/O traits on various types which
are commonly used as a buffer, like <code>Cursor&lt;</code><a href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="Vec"><code>Vec</code></a><code>&lt;u8&gt;&gt;</code> and
<code>Cursor&lt;</code><a href="https://doc.rust-lang.org/std/primitive.slice.html"><code>&amp;[u8]</code></a><code>&gt;</code>.</p>
</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#27">source</a><a href="#impl-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#43">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(inner: T) -&gt; <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;</h4></section></summary><div class="docblock"><p>Creates a new cursor wrapping the provided underlying in-memory buffer.</p>
<p>Cursor initial position is <code>0</code> even if underlying buffer (e.g., <code>Vec</code>)
is not empty. So writing to cursor starts with overwriting <code>Vec</code>
content, not with appending to it.</p>
<h5 id="examples"><a href="#examples">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::io::Cursor;
<span class="kw">let </span>buff = Cursor::new(Vec::new());</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_inner" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#60">source</a><h4 class="code-header">pub fn <a href="#method.into_inner" class="fnname">into_inner</a>(self) -&gt; T</h4></section></summary><div class="docblock"><p>Consumes this cursor, returning the underlying value.</p>
<h5 id="examples-1"><a href="#examples-1">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::io::Cursor;
<span class="kw">let </span>buff = Cursor::new(Vec::new());
<span class="kw">let </span>vec = buff.into_inner();</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.get_ref" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#77">source</a><h4 class="code-header">pub fn <a href="#method.get_ref" class="fnname">get_ref</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</h4></section></summary><div class="docblock"><p>Gets a reference to the underlying value in this cursor.</p>
<h5 id="examples-2"><a href="#examples-2">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::io::Cursor;
<span class="kw">let </span>buff = Cursor::new(Vec::new());
<span class="kw">let </span>reference = buff.get_ref();</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.get_mut" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#97">source</a><h4 class="code-header">pub fn <a href="#method.get_mut" class="fnname">get_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</h4></section></summary><div class="docblock"><p>Gets a mutable reference to the underlying value in this cursor.</p>
<p>Care should be taken to avoid modifying the internal I/O state of the
underlying value as it may corrupt this cursor’s position.</p>
<h5 id="examples-3"><a href="#examples-3">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::io::Cursor;
<span class="kw">let </span><span class="kw-2">mut </span>buff = Cursor::new(Vec::new());
<span class="kw">let </span>reference = buff.get_mut();</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#120">source</a><h4 class="code-header">pub fn <a href="#method.position" class="fnname">position</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the current position of this cursor.</p>
<h5 id="examples-4"><a href="#examples-4">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::io::{AsyncSeekExt, Cursor, SeekFrom};
<span class="kw">let </span><span class="kw-2">mut </span>buff = Cursor::new(<span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>]);
<span class="macro">assert_eq!</span>(buff.position(), <span class="number">0</span>);
buff.seek(SeekFrom::Current(<span class="number">2</span>)).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="macro">assert_eq!</span>(buff.position(), <span class="number">2</span>);
buff.seek(SeekFrom::Current(-<span class="number">1</span>)).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="macro">assert_eq!</span>(buff.position(), <span class="number">1</span>);</code></pre></div>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.set_position" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#141">source</a><h4 class="code-header">pub fn <a href="#method.set_position" class="fnname">set_position</a>(&amp;mut self, pos: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>)</h4></section></summary><div class="docblock"><p>Sets the position of this cursor.</p>
<h5 id="examples-5"><a href="#examples-5">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::io::Cursor;
<span class="kw">let </span><span class="kw-2">mut </span>buff = Cursor::new(<span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>]);
<span class="macro">assert_eq!</span>(buff.position(), <span class="number">0</span>);
buff.set_position(<span class="number">2</span>);
<span class="macro">assert_eq!</span>(buff.position(), <span class="number">2</span>);
buff.set_position(<span class="number">4</span>);
<span class="macro">assert_eq!</span>(buff.position(), <span class="number">4</span>);</code></pre></div>
</div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncBufRead-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#177">source</a><a href="#impl-AsyncBufRead-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.AsyncBufRead.html" title="trait futures::io::AsyncBufRead">AsyncBufRead</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_fill_buf" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#181">source</a><a href="#method.poll_fill_buf" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncBufRead.html#tymethod.poll_fill_buf" class="fnname">poll_fill_buf</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to return the contents of the internal buffer, filling it with more data
from the inner reader if it is empty. <a href="trait.AsyncBufRead.html#tymethod.poll_fill_buf">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.consume" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#185">source</a><a href="#method.consume" class="anchor"></a><h4 class="code-header">fn <a href="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>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;&gt;, amt: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</h4></section></summary><div class='docblock'>Tells this buffer that <code>amt</code> bytes have been consumed from the buffer,
so they should no longer be returned in calls to <a href="trait.AsyncRead.html#tymethod.poll_read"><code>poll_read</code></a>. <a href="trait.AsyncBufRead.html#tymethod.consume">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncRead-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#159">source</a><a href="#impl-AsyncRead-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_read" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#160-164">source</a><a href="#method.poll_read" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncRead.html#tymethod.poll_read" class="fnname">poll_read</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;_cx: &amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;buf: &amp;mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to read from the <code>AsyncRead</code> into <code>buf</code>. <a href="trait.AsyncRead.html#tymethod.poll_read">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_read_vectored" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#168-172">source</a><a href="#method.poll_read_vectored" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncRead.html#method.poll_read_vectored" class="fnname">poll_read_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;mut [<a class="struct" href="struct.IoSliceMut.html" title="struct futures::io::IoSliceMut">IoSliceMut</a>&lt;'_&gt;]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to read from the <code>AsyncRead</code> into <code>bufs</code> using vectored
IO operations. <a href="trait.AsyncRead.html#method.poll_read_vectored">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncSeek-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#146">source</a><a href="#impl-AsyncSeek-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.AsyncSeek.html" title="trait futures::io::AsyncSeek">AsyncSeek</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_seek" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#150-154">source</a><a href="#method.poll_seek" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncSeek.html#tymethod.poll_seek" class="fnname">poll_seek</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;pos: <a class="enum" href="enum.SeekFrom.html" title="enum futures::io::SeekFrom">SeekFrom</a><br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to seek to an offset, in bytes, in a stream. <a href="trait.AsyncSeek.html#tymethod.poll_seek">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncWrite-for-Cursor%3C%26mut%20%5Bu8%5D%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#218">source</a><a href="#impl-AsyncWrite-for-Cursor%3C%26mut%20%5Bu8%5D%3E" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write-3" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#219">source</a><a href="#method.poll_write-3" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_write" class="fnname">poll_write</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;buf: &amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>buf</code> into the object. <a href="trait.AsyncWrite.html#tymethod.poll_write">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write_vectored-3" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#219">source</a><a href="#method.poll_write_vectored-3" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#method.poll_write_vectored" class="fnname">poll_write_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;[<a class="struct" href="struct.IoSlice.html" title="struct futures::io::IoSlice">IoSlice</a>&lt;'_&gt;]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>bufs</code> into the object using vectored
IO operations. <a href="trait.AsyncWrite.html#method.poll_write_vectored">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_flush-3" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#219">source</a><a href="#method.poll_flush-3" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_flush" class="fnname">poll_flush</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to flush the object, ensuring that any buffered data reach
their destination. <a href="trait.AsyncWrite.html#tymethod.poll_flush">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_close-3" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#219">source</a><a href="#method.poll_close-3" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_close" class="fnname">poll_close</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to close the object. <a href="trait.AsyncWrite.html#tymethod.poll_close">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncWrite-for-Cursor%3C%26mut%20Vec%3Cu8%2C%20Global%3E%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#222">source</a><a href="#impl-AsyncWrite-for-Cursor%3C%26mut%20Vec%3Cu8%2C%20Global%3E%3E" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#223">source</a><a href="#method.poll_write" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_write" class="fnname">poll_write</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;buf: &amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>buf</code> into the object. <a href="trait.AsyncWrite.html#tymethod.poll_write">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write_vectored" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#223">source</a><a href="#method.poll_write_vectored" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#method.poll_write_vectored" class="fnname">poll_write_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;[<a class="struct" href="struct.IoSlice.html" title="struct futures::io::IoSlice">IoSlice</a>&lt;'_&gt;]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>bufs</code> into the object using vectored
IO operations. <a href="trait.AsyncWrite.html#method.poll_write_vectored">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_flush" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#223">source</a><a href="#method.poll_flush" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_flush" class="fnname">poll_flush</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to flush the object, ensuring that any buffered data reach
their destination. <a href="trait.AsyncWrite.html#tymethod.poll_flush">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_close" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#223">source</a><a href="#method.poll_close" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_close" class="fnname">poll_close</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;&amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to close the object. <a href="trait.AsyncWrite.html#tymethod.poll_close">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncWrite-for-Cursor%3CBox%3C%5Bu8%5D%2C%20Global%3E%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#230">source</a><a href="#impl-AsyncWrite-for-Cursor%3CBox%3C%5Bu8%5D%2C%20Global%3E%3E" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#231">source</a><a href="#method.poll_write-2" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_write" class="fnname">poll_write</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;buf: &amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>buf</code> into the object. <a href="trait.AsyncWrite.html#tymethod.poll_write">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write_vectored-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#231">source</a><a href="#method.poll_write_vectored-2" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#method.poll_write_vectored" class="fnname">poll_write_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;[<a class="struct" href="struct.IoSlice.html" title="struct futures::io::IoSlice">IoSlice</a>&lt;'_&gt;]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>bufs</code> into the object using vectored
IO operations. <a href="trait.AsyncWrite.html#method.poll_write_vectored">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_flush-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#231">source</a><a href="#method.poll_flush-2" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_flush" class="fnname">poll_flush</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to flush the object, ensuring that any buffered data reach
their destination. <a href="trait.AsyncWrite.html#tymethod.poll_flush">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_close-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#231">source</a><a href="#method.poll_close-2" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_close" class="fnname">poll_close</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to close the object. <a href="trait.AsyncWrite.html#tymethod.poll_close">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-AsyncWrite-for-Cursor%3CVec%3Cu8%2C%20Global%3E%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#226">source</a><a href="#impl-AsyncWrite-for-Cursor%3CVec%3Cu8%2C%20Global%3E%3E" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#227">source</a><a href="#method.poll_write-1" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_write" class="fnname">poll_write</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;buf: &amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>buf</code> into the object. <a href="trait.AsyncWrite.html#tymethod.poll_write">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_write_vectored-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#227">source</a><a href="#method.poll_write_vectored-1" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#method.poll_write_vectored" class="fnname">poll_write_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;[<a class="struct" href="struct.IoSlice.html" title="struct futures::io::IoSlice">IoSlice</a>&lt;'_&gt;]<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to write bytes from <code>bufs</code> into the object using vectored
IO operations. <a href="trait.AsyncWrite.html#method.poll_write_vectored">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_flush-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#227">source</a><a href="#method.poll_flush-1" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_flush" class="fnname">poll_flush</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to flush the object, ensuring that any buffered data reach
their destination. <a href="trait.AsyncWrite.html#tymethod.poll_flush">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_close-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#227">source</a><a href="#method.poll_close-1" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWrite.html#tymethod.poll_close" class="fnname">poll_close</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;&gt;</h4></section></summary><div class='docblock'>Attempt to close the object. <a href="trait.AsyncWrite.html#tymethod.poll_close">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#22">source</a><a href="#impl-Clone-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#22">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone" class="fnname">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;</h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#132-134">source</a></span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">const fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from" class="fnname">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#22">source</a><a href="#impl-Debug-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#22">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>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></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Default-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#22">source</a><a href="#impl-Default-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/default/trait.Default.html" title="trait core::default::Default">Default</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.default" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/cursor.rs.html#22">source</a><a href="#method.default" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -&gt; <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</a>&lt;T&gt;</h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></div></details></div></details></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"><section id="impl-RefUnwindSafe-for-Cursor%3CT%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,</span></h3></section><section id="impl-Send-for-Cursor%3CT%3E" class="impl has-srclink"><a href="#impl-Send-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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>,</span></h3></section><section id="impl-Sync-for-Cursor%3CT%3E" class="impl has-srclink"><a href="#impl-Sync-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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.Sync.html" title="trait core::marker::Sync">Sync</a>,</span></h3></section><section id="impl-Unpin-for-Cursor%3CT%3E" class="impl has-srclink"><a href="#impl-Unpin-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h3></section><section id="impl-UnwindSafe-for-Cursor%3CT%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Cursor.html" title="struct futures::io::Cursor">Cursor</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/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,</span></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#200">source</a><a href="#impl-Any-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#201">source</a><a href="#method.type_id" class="anchor"></a><h4 class="code-header">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></h4></section></summary><div class='docblock'>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></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-AsyncBufReadExt-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#824">source</a><a href="#impl-AsyncBufReadExt-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;R&gt; <a class="trait" href="trait.AsyncBufReadExt.html" title="trait futures::io::AsyncBufReadExt">AsyncBufReadExt</a> for R<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncBufRead.html" title="trait futures::io::AsyncBufRead">AsyncBufRead</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fill_buf" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#647-649">source</a><a href="#method.fill_buf" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncBufReadExt.html#method.fill_buf" class="fnname">fill_buf</a>(&amp;mut self) -&gt; <a class="struct" href="struct.FillBuf.html" title="struct futures::io::FillBuf">FillBuf</a>&lt;'_, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.FillBuf.html" title="struct futures::io::FillBuf">FillBuf</a>&lt;'a, R&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;'a, R&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.FillBuf.html" title="struct futures::io::FillBuf">FillBuf</a>&lt;'a, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncBufRead.html" title="trait futures::io::AsyncBufRead">AsyncBufRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&amp;'a [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>], <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will wait for a non-empty buffer to be available from this I/O
object or EOF to be reached. <a href="trait.AsyncBufReadExt.html#method.fill_buf">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.consume_unpin" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#671-673">source</a><a href="#method.consume_unpin" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncBufReadExt.html#method.consume_unpin" class="fnname">consume_unpin</a>(&amp;mut self, amt: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>A convenience for calling <a href="trait.AsyncBufRead.html#tymethod.consume" title="AsyncBufRead::consume"><code>AsyncBufRead::consume</code></a> on <a href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="Unpin"><code>Unpin</code></a> IO types. <a href="trait.AsyncBufReadExt.html#method.consume_unpin">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read_until" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#719-721">source</a><a href="#method.read_until" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncBufReadExt.html#method.read_until" class="fnname">read_until</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;'a mut self,<br>&nbsp;&nbsp;&nbsp;&nbsp;byte: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;buf: &amp;'a mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;<br>) -&gt; <a class="struct" href="struct.ReadUntil.html" title="struct futures::io::ReadUntil">ReadUntil</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ReadUntil.html" title="struct futures::io::ReadUntil">ReadUntil</a>&lt;'_, R&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;R&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.ReadUntil.html" title="struct futures::io::ReadUntil">ReadUntil</a>&lt;'_, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncBufRead.html" title="trait futures::io::AsyncBufRead">AsyncBufRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will read all the bytes associated with this I/O
object into <code>buf</code> until the delimiter <code>byte</code> or EOF is reached.
This method is the async equivalent to <a href="https://doc.rust-lang.org/nightly/std/io/trait.BufRead.html#method.read_until"><code>BufRead::read_until</code></a>. <a href="trait.AsyncBufReadExt.html#method.read_until">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read_line" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#777-779">source</a><a href="#method.read_line" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncBufReadExt.html#method.read_line" class="fnname">read_line</a>(&amp;'a mut self, buf: &amp;'a mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; <a class="struct" href="struct.ReadLine.html" title="struct futures::io::ReadLine">ReadLine</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ReadLine.html" title="struct futures::io::ReadLine">ReadLine</a>&lt;'_, R&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;R&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.ReadLine.html" title="struct futures::io::ReadLine">ReadLine</a>&lt;'_, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncBufRead.html" title="trait futures::io::AsyncBufRead">AsyncBufRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will read all the bytes associated with this I/O
object into <code>buf</code> until a newline (the 0xA byte) or EOF is reached,
This method is the async equivalent to <a href="https://doc.rust-lang.org/nightly/std/io/trait.BufRead.html#method.read_line"><code>BufRead::read_line</code></a>. <a href="trait.AsyncBufReadExt.html#method.read_line">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lines" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#816-818">source</a><a href="#method.lines" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncBufReadExt.html#method.lines" class="fnname">lines</a>(self) -&gt; <a class="struct" href="struct.Lines.html" title="struct futures::io::Lines">Lines</a>&lt;Self&gt;</h4></section></summary><div class='docblock'>Returns a stream over the lines of this reader.
This method is the async equivalent to <a href="https://doc.rust-lang.org/nightly/std/io/trait.BufRead.html#method.lines"><code>BufRead::lines</code></a>. <a href="trait.AsyncBufReadExt.html#method.lines">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-AsyncReadExt-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#398">source</a><a href="#impl-AsyncReadExt-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;R&gt; <a class="trait" href="trait.AsyncReadExt.html" title="trait futures::io::AsyncReadExt">AsyncReadExt</a> for R<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.chain" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#172-175">source</a><a href="#method.chain" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.chain" class="fnname">chain</a>&lt;R&gt;(self, next: R) -&gt; <a class="struct" href="struct.Chain.html" title="struct futures::io::Chain">Chain</a>&lt;Self, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a>,</span></h4></section></summary><div class='docblock'>Creates an adaptor which will chain this stream with another. <a href="trait.AsyncReadExt.html#method.chain">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#204-206">source</a><a href="#method.read" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.read" class="fnname">read</a>(&amp;'a mut self, buf: &amp;'a mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -&gt; <a class="struct" href="struct.Read.html" title="struct futures::io::Read">Read</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Read.html" title="struct futures::io::Read">Read</a>&lt;'_, R&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;R&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Read.html" title="struct futures::io::Read">Read</a>&lt;'_, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Tries to read some bytes directly into the given <code>buf</code> in asynchronous
manner, returning a future type. <a href="trait.AsyncReadExt.html#method.read">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read_vectored" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#216-218">source</a><a href="#method.read_vectored" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.read_vectored" class="fnname">read_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;'a mut self,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;'a mut [<a class="struct" href="struct.IoSliceMut.html" title="struct futures::io::IoSliceMut">IoSliceMut</a>&lt;'a&gt;]<br>) -&gt; <a class="struct" href="struct.ReadVectored.html" title="struct futures::io::ReadVectored">ReadVectored</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ReadVectored.html" title="struct futures::io::ReadVectored">ReadVectored</a>&lt;'_, R&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;R&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.ReadVectored.html" title="struct futures::io::ReadVectored">ReadVectored</a>&lt;'_, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will read from the <code>AsyncRead</code> into <code>bufs</code> using vectored
IO operations. <a href="trait.AsyncReadExt.html#method.read_vectored">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read_exact" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#260-262">source</a><a href="#method.read_exact" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.read_exact" class="fnname">read_exact</a>(&amp;'a mut self, buf: &amp;'a mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -&gt; <a class="struct" href="struct.ReadExact.html" title="struct futures::io::ReadExact">ReadExact</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ReadExact.html" title="struct futures::io::ReadExact">ReadExact</a>&lt;'_, R&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;R&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.ReadExact.html" title="struct futures::io::ReadExact">ReadExact</a>&lt;'_, R&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;R: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will read exactly enough bytes to fill <code>buf</code>,
returning an error if end of file (EOF) is hit sooner. <a href="trait.AsyncReadExt.html#method.read_exact">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read_to_end" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#286-288">source</a><a href="#method.read_to_end" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.read_to_end" class="fnname">read_to_end</a>(&amp;'a mut self, buf: &amp;'a mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/alloc/struct.Global.html" title="struct alloc::alloc::Global">Global</a>&gt;) -&gt; <a class="struct" href="struct.ReadToEnd.html" title="struct futures::io::ReadToEnd">ReadToEnd</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ReadToEnd.html" title="struct futures::io::ReadToEnd">ReadToEnd</a>&lt;'_, A&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;A&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.ReadToEnd.html" title="struct futures::io::ReadToEnd">ReadToEnd</a>&lt;'_, A&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will read all the bytes from this <code>AsyncRead</code>. <a href="trait.AsyncReadExt.html#method.read_to_end">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.read_to_string" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#312-314">source</a><a href="#method.read_to_string" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.read_to_string" class="fnname">read_to_string</a>(&amp;'a mut self, buf: &amp;'a mut <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -&gt; <a class="struct" href="struct.ReadToString.html" title="struct futures::io::ReadToString">ReadToString</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ReadToString.html" title="struct futures::io::ReadToString">ReadToString</a>&lt;'_, A&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;A&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.ReadToString.html" title="struct futures::io::ReadToString">ReadToString</a>&lt;'_, A&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="trait.AsyncRead.html" title="trait futures::io::AsyncRead">AsyncRead</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will read all the bytes from this <code>AsyncRead</code>. <a href="trait.AsyncReadExt.html#method.read_to_string">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.split" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#348-350">source</a><a href="#method.split" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.split" class="fnname">split</a>(self) -&gt; (<a class="struct" href="struct.ReadHalf.html" title="struct futures::io::ReadHalf">ReadHalf</a>&lt;Self&gt;, <a class="struct" href="struct.WriteHalf.html" title="struct futures::io::WriteHalf">WriteHalf</a>&lt;Self&gt;)<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a>,</span></h4></section></summary><div class='docblock'>Helper method for splitting this read/write object into two halves. <a href="trait.AsyncReadExt.html#method.split">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.take" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#375-377">source</a><a href="#method.take" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncReadExt.html#method.take" class="fnname">take</a>(self, limit: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="struct" href="struct.Take.html" title="struct futures::io::Take">Take</a>&lt;Self&gt;</h4></section></summary><div class='docblock'>Creates an AsyncRead adapter which will read at most <code>limit</code> bytes
from the underlying reader. <a href="trait.AsyncReadExt.html#method.take">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-AsyncSeekExt-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#620">source</a><a href="#impl-AsyncSeekExt-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;S&gt; <a class="trait" href="trait.AsyncSeekExt.html" title="trait futures::io::AsyncSeekExt">AsyncSeekExt</a> for S<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: <a class="trait" href="trait.AsyncSeek.html" title="trait futures::io::AsyncSeek">AsyncSeek</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.seek" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#601-603">source</a><a href="#method.seek" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncSeekExt.html#method.seek" class="fnname">seek</a>(&amp;mut self, pos: <a class="enum" href="enum.SeekFrom.html" title="enum futures::io::SeekFrom">SeekFrom</a>) -&gt; <a class="struct" href="struct.Seek.html" title="struct futures::io::Seek">Seek</a>&lt;'_, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Seek.html" title="struct futures::io::Seek">Seek</a>&lt;'_, S&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;S&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Seek.html" title="struct futures::io::Seek">Seek</a>&lt;'_, S&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: <a class="trait" href="trait.AsyncSeek.html" title="trait futures::io::AsyncSeek">AsyncSeek</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will seek an IO object, and then yield the
new position in the object and the object itself. <a href="trait.AsyncSeekExt.html#method.seek">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.stream_position" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#612-614">source</a><a href="#method.stream_position" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncSeekExt.html#method.stream_position" class="fnname">stream_position</a>(&amp;mut self) -&gt; <a class="struct" href="struct.Seek.html" title="struct futures::io::Seek">Seek</a>&lt;'_, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Seek.html" title="struct futures::io::Seek">Seek</a>&lt;'_, S&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;S&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Seek.html" title="struct futures::io::Seek">Seek</a>&lt;'_, S&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: <a class="trait" href="trait.AsyncSeek.html" title="trait futures::io::AsyncSeek">AsyncSeek</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will return the current seek position from the
start of the stream. <a href="trait.AsyncSeekExt.html#method.stream_position">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-AsyncWriteExt-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#592">source</a><a href="#impl-AsyncWriteExt-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;W&gt; <a class="trait" href="trait.AsyncWriteExt.html" title="trait futures::io::AsyncWriteExt">AsyncWriteExt</a> for W<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;W: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.flush" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#424-426">source</a><a href="#method.flush" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWriteExt.html#method.flush" class="fnname">flush</a>(&amp;mut self) -&gt; <a class="struct" href="struct.Flush.html" title="struct futures::io::Flush">Flush</a>&lt;'_, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Flush.html" title="struct futures::io::Flush">Flush</a>&lt;'_, W&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;W&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Flush.html" title="struct futures::io::Flush">Flush</a>&lt;'_, W&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;W: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will entirely flush this <code>AsyncWrite</code>. <a href="trait.AsyncWriteExt.html#method.flush">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.close" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#432-434">source</a><a href="#method.close" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWriteExt.html#method.close" class="fnname">close</a>(&amp;mut self) -&gt; <a class="struct" href="struct.Close.html" title="struct futures::io::Close">Close</a>&lt;'_, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Close.html" title="struct futures::io::Close">Close</a>&lt;'_, W&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;W&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Close.html" title="struct futures::io::Close">Close</a>&lt;'_, W&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;W: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will entirely close this <code>AsyncWrite</code>.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.write" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#443-445">source</a><a href="#method.write" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWriteExt.html#method.write" class="fnname">write</a>(&amp;'a mut self, buf: &amp;'a [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -&gt; <a class="struct" href="struct.Write.html" title="struct futures::io::Write">Write</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Write.html" title="struct futures::io::Write">Write</a>&lt;'_, W&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;W&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Write.html" title="struct futures::io::Write">Write</a>&lt;'_, W&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;W: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will write bytes from <code>buf</code> into the object. <a href="trait.AsyncWriteExt.html#method.write">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.write_vectored" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#455-457">source</a><a href="#method.write_vectored" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWriteExt.html#method.write_vectored" class="fnname">write_vectored</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;'a mut self,<br>&nbsp;&nbsp;&nbsp;&nbsp;bufs: &amp;'a [<a class="struct" href="struct.IoSlice.html" title="struct futures::io::IoSlice">IoSlice</a>&lt;'a&gt;]<br>) -&gt; <a class="struct" href="struct.WriteVectored.html" title="struct futures::io::WriteVectored">WriteVectored</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.WriteVectored.html" title="struct futures::io::WriteVectored">WriteVectored</a>&lt;'_, W&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;W&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.WriteVectored.html" title="struct futures::io::WriteVectored">WriteVectored</a>&lt;'_, W&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;W: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Creates a future which will write bytes from <code>bufs</code> into the object using vectored
IO operations. <a href="trait.AsyncWriteExt.html#method.write_vectored">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.write_all" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#482-484">source</a><a href="#method.write_all" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWriteExt.html#method.write_all" class="fnname">write_all</a>(&amp;'a mut self, buf: &amp;'a [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -&gt; <a class="struct" href="struct.WriteAll.html" title="struct futures::io::WriteAll">WriteAll</a>&lt;'a, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.WriteAll.html" title="struct futures::io::WriteAll">WriteAll</a>&lt;'_, W&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;W&gt; <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.WriteAll.html" title="struct futures::io::WriteAll">WriteAll</a>&lt;'_, W&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;W: <a class="trait" href="trait.AsyncWrite.html" title="trait futures::io::AsyncWrite">AsyncWrite</a> + <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/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="struct.Error.html" title="struct futures::io::Error">Error</a>&gt;;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</span></h4></section></summary><div class='docblock'>Write data into this object. <a href="trait.AsyncWriteExt.html#method.write_all">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_sink" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/io/mod.rs.html#584-586">source</a><a href="#method.into_sink" class="anchor"></a><h4 class="code-header">fn <a href="trait.AsyncWriteExt.html#method.into_sink" class="fnname">into_sink</a>&lt;Item&gt;(self) -&gt; <a class="struct" href="struct.IntoSink.html" title="struct futures::io::IntoSink">IntoSink</a>&lt;Self, Item&gt;<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Item: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a>&lt;[<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]&gt;,</span></h4></section></summary><div class='docblock'>Allow using an <a href="trait.AsyncWrite.html" title="AsyncWrite"><code>AsyncWrite</code></a> as a <a href="../sink/trait.Sink.html"><code>Sink</code></a><code>&lt;Item: AsRef&lt;[u8]&gt;&gt;</code>. <a href="trait.AsyncWriteExt.html#method.into_sink">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a><a href="#impl-Borrow%3CT%3E-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">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</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#220">source</a><a href="#impl-BorrowMut%3CT%3E-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#221">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">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</h4></section></summary><div class='docblock'>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></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#733">source</a><a href="#impl-From%3CT%3E-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#736">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#717">source</a><a href="#impl-Into%3CU%3E-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#725">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#83">source</a><a href="#impl-ToOwned-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> 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/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#775">source</a><a href="#impl-TryFrom%3CU%3E-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#781">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Cursor%3CT%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#760">source</a><a href="#impl-TryInto%3CU%3E-for-Cursor%3CT%3E" class="anchor"></a><h3 class="code-header">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;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#766">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>