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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `Map` struct in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, Map"><title>futures_util::stream::Map - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct Map</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.get_mut">get_mut</a><a href="#method.get_pin_mut">get_pin_mut</a><a href="#method.get_ref">get_ref</a><a href="#method.into_inner">into_inner</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-FusedStream">FusedStream</a><a href="#impl-Sink%3CItem%3E">Sink&lt;Item&gt;</a><a href="#impl-Stream">Stream</a><a href="#impl-Unpin">Unpin</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-SinkExt%3CItem%3E">SinkExt&lt;Item&gt;</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a><a href="#impl-TryStream">TryStream</a></div></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">stream</a></p><div id="sidebar-vars" data-name="Map" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">stream</a>::<wbr><a class="struct" href="">Map</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#12-20" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct"><span class="docblock attributes top-attr">#[must_use = "streams do nothing unless polled"]</span>pub struct Map&lt;St, F&gt; { /* fields omitted */ }</pre></div><div class="docblock"><p>Stream for the <a href="../../futures_util/stream/trait.StreamExt.html#method.map"><code>map</code></a> method.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#33-39" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.get_ref" class="method"><code>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>St</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#38" title="goto source code">[src]</a></h4><div class="docblock"><p>Acquires a reference to the underlying sink or stream that this combinator is
pulling from.</p>
</div><h4 id="method.get_mut" class="method"><code>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>St</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#38" title="goto source code">[src]</a></h4><div class="docblock"><p>Acquires a mutable reference to the underlying sink or stream that this
combinator is pulling from.</p>
<p>Note that care must be taken to avoid tampering with the state of the
sink or stream which may otherwise confuse this combinator.</p>
</div><h4 id="method.get_pin_mut" class="method"><code>pub fn <a href="#method.get_pin_mut" class="fnname">get_pin_mut</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>St&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;P&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;P&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;P&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;P: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html" title="trait core::ops::deref::DerefMut">DerefMut</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;P as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = &lt;&lt;P as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" title="type core::ops::deref::Deref::Target">Target</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span></code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#38" title="goto source code">[src]</a></h4><div class="docblock"><p>Acquires a pinned mutable reference to the underlying sink or stream that this
combinator is pulling from.</p>
<p>Note that care must be taken to avoid tampering with the state of the
sink or stream which may otherwise confuse this combinator.</p>
</div><h4 id="method.into_inner" class="method"><code>pub fn <a href="#method.into_inner" class="fnname">into_inner</a>(self) -&gt; St</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#38" title="goto source code">[src]</a></h4><div class="docblock"><p>Consumes this combinator, returning the underlying sink or stream.</p>
<p>Note that this may discard intermediate state of this combinator, so
care should be taken to avoid losing resources when this is called.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,&nbsp;</span></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#22-31" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, 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="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#26-30" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id="impl-FusedStream" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="../../futures_util/stream/trait.FusedStream.html" title="trait futures_util::stream::FusedStream">FusedStream</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="../../futures_util/stream/trait.FusedStream.html" title="trait futures_util::stream::FusedStream">FusedStream</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;F: FnMut1&lt;St::<a class="type" href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>&gt;,&nbsp;</span></code><a href="#impl-FusedStream" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#41-48" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.is_terminated" class="method hidden"><code>fn <a href="../../futures_util/stream/trait.FusedStream.html#tymethod.is_terminated" class="fnname">is_terminated</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#45-47" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns <code>true</code> if the stream should no longer be polled.</p>
</div></div><h3 id="impl-Sink%3CItem%3E" class="impl"><code class="in-band">impl&lt;St, F, Item&gt; <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt; for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a> + <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;F: FnMut1&lt;St::<a class="type" href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>&gt;,&nbsp;</span></code><a href="#impl-Sink%3CItem%3E" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#72-79" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" class="type">Error</a> = St::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a></code></h4><div class='docblock'><p>The type of value produced by the sink when an error occurs.</p>
</div><h4 id="method.poll_ready" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_ready" class="fnname">poll_ready</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<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>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt;</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#78" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempts to prepare the <code>Sink</code> to receive a value. <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_ready">Read more</a></p>
</div><h4 id="method.start_send" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.Sink.html#tymethod.start_send" class="fnname">start_send</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;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, item: Item) -&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>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#78" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Begin the process of sending a value to the sink.
Each call to this function must be preceded by a successful call to
<code>poll_ready</code> which returned <code>Poll::Ready(Ok(()))</code>. <a href="../../futures_util/sink/trait.Sink.html#tymethod.start_send">Read more</a></p>
</div><h4 id="method.poll_flush" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.Sink.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;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<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>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt;</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#78" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Flush any remaining output from this sink. <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_flush">Read more</a></p>
</div><h4 id="method.poll_close" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.Sink.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;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<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>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt;</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#78" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Flush any remaining output and close this sink, if necessary. <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_close">Read more</a></p>
</div></div><h3 id="impl-Stream" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;F: FnMut1&lt;St::<a class="type" href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>&gt;,&nbsp;</span></code><a href="#impl-Stream" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#50-68" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Item" class="type"><code>type <a href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" class="type">Item</a> = F::Output</code></h4><div class='docblock'><p>Values yielded by the stream.</p>
</div><h4 id="method.poll_next" class="method hidden"><code>fn <a href="../../futures_util/stream/trait.Stream.html#tymethod.poll_next" class="fnname">poll_next</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="type" href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>&gt;&gt;</code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#56-63" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to pull out the next value of this stream, registering the
current task for wakeup if the value is not yet available, and returning
<code>None</code> if the stream is exhausted. <a href="../../futures_util/stream/trait.Stream.html#tymethod.poll_next">Read more</a></p>
</div><h4 id="method.size_hint" class="method hidden"><code>fn <a href="../../futures_util/stream/trait.Stream.html#method.size_hint" class="fnname">size_hint</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#65-67" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns the bounds on the remaining length of the stream. <a href="../../futures_util/stream/trait.Stream.html#method.size_hint">Read more</a></p>
</div></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl&lt;'__pin, St, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;__Origin&lt;'__pin, St, F&gt;: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/stream/map.rs.html#12-20" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>,&nbsp;</span></code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,&nbsp;</span></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl&lt;St, F&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../futures_util/stream/struct.Map.html" title="struct futures_util::stream::Map">Map</a>&lt;St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>,&nbsp;</span></code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#207-211" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214-218" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#215" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#546" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#534-541" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#538" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-SinkExt%3CItem%3E" class="impl"><code class="in-band">impl&lt;T, Item&gt; <a class="trait" href="../../futures_util/sink/trait.SinkExt.html" title="trait futures_util::sink::SinkExt">SinkExt</a>&lt;Item&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-SinkExt%3CItem%3E" class="anchor"></a><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#61" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.with" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.with" class="fnname">with</a>&lt;U, Fut, F, E&gt;(self, f: F) -&gt; <a class="struct" href="../../futures_util/sink/struct.With.html" title="struct futures_util::sink::With">With</a>&lt;Self, Item, U, Fut, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(U) -&gt; Fut,<br>&nbsp;&nbsp;&nbsp;&nbsp;Fut: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Item, E&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#77-85" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Composes a function <em>in front of</em> the sink. <a href="../../futures_util/sink/trait.SinkExt.html#method.with">Read more</a></p>
</div><h4 id="method.with_flat_map" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.with_flat_map" class="fnname">with_flat_map</a>&lt;U, St, F&gt;(self, f: F) -&gt; <a class="struct" href="../../futures_util/sink/struct.WithFlatMap.html" title="struct futures_util::sink::WithFlatMap">WithFlatMap</a>&lt;Self, Item, U, St, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(U) -&gt; St,<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&lt;Item = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Item, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#119-126" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Composes a function <em>in front of</em> the sink. <a href="../../futures_util/sink/trait.SinkExt.html#method.with_flat_map">Read more</a></p>
</div><h4 id="method.sink_map_err" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.sink_map_err" class="fnname">sink_map_err</a>&lt;E, F&gt;(self, f: F) -&gt; <a class="struct" href="../../futures_util/sink/struct.SinkMapErr.html" title="struct futures_util::sink::SinkMapErr">SinkMapErr</a>&lt;Self, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>) -&gt; E,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#143-149" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Transforms the error returned by the sink.</p>
</div><h4 id="method.sink_err_into" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.sink_err_into" class="fnname">sink_err_into</a>&lt;E&gt;(self) -&gt; <a class="struct" href="../../futures_util/sink/struct.SinkErrInto.html" title="struct futures_util::sink::SinkErrInto">SinkErrInto</a>&lt;Self, Item, E&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;E&gt;,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#154-160" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Map this sink's error to a different error type using the <code>Into</code> trait. <a href="../../futures_util/sink/trait.SinkExt.html#method.sink_err_into">Read more</a></p>
</div><h4 id="method.buffer" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.buffer" class="fnname">buffer</a>(self, capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="struct" href="../../futures_util/sink/struct.Buffer.html" title="struct futures_util::sink::Buffer">Buffer</a>&lt;Self, Item&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#175-180" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Adds a fixed-size buffer to the current sink. <a href="../../futures_util/sink/trait.SinkExt.html#method.buffer">Read more</a></p>
</div><h4 id="method.close" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.close" class="fnname">close</a>(&amp;mut self) -&gt; <a class="struct" href="../../futures_util/sink/struct.Close.html" title="struct futures_util::sink::Close">Close</a>&lt;'_, Self, Item&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/sink/struct.Close.html" title="struct futures_util::sink::Close">Close</a>&lt;'_, Si, Item&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Si:&nbsp;<a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt; + <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>, Item&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/sink/struct.Close.html" title="struct futures_util::sink::Close">Close</a>&lt;'_, Si, Item&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Si::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;;</span></code></span></div></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>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#183-188" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Close the sink.</p>
</div><h4 id="method.fanout" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.fanout" class="fnname">fanout</a>&lt;Si&gt;(self, other: Si) -&gt; <a class="struct" href="../../futures_util/sink/struct.Fanout.html" title="struct futures_util::sink::Fanout">Fanout</a>&lt;Self, Si&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Item: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Si: <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item, Error = Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#194-201" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Fanout items to multiple sinks. <a href="../../futures_util/sink/trait.SinkExt.html#method.fanout">Read more</a></p>
</div><h4 id="method.flush" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.flush" class="fnname">flush</a>(&amp;mut self) -&gt; <a class="struct" href="../../futures_util/sink/struct.Flush.html" title="struct futures_util::sink::Flush">Flush</a>&lt;'_, Self, Item&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/sink/struct.Flush.html" title="struct futures_util::sink::Flush">Flush</a>&lt;'_, Si, Item&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Si:&nbsp;<a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt; + <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>, Item&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/sink/struct.Flush.html" title="struct futures_util::sink::Flush">Flush</a>&lt;'_, Si, Item&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Si::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;;</span></code></span></div></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>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#207-212" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Flush the sink, processing all pending items. <a href="../../futures_util/sink/trait.SinkExt.html#method.flush">Read more</a></p>
</div><h4 id="method.send" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.send" class="fnname">send</a>(&amp;mut self, item: Item) -&gt; <a class="struct" href="../../futures_util/sink/struct.Send.html" title="struct futures_util::sink::Send">Send</a>&lt;'_, Self, Item&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/sink/struct.Send.html" title="struct futures_util::sink::Send">Send</a>&lt;'_, Si, Item&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Si:&nbsp;<a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt; + <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>, Item&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/sink/struct.Send.html" title="struct futures_util::sink::Send">Send</a>&lt;'_, Si, Item&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Si::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;;</span></code></span></div></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>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#220-225" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A future that completes after the given item has been fully processed
into the sink, including flushing. <a href="../../futures_util/sink/trait.SinkExt.html#method.send">Read more</a></p>
</div><h4 id="method.feed" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.feed" class="fnname">feed</a>(&amp;mut self, item: Item) -&gt; <a class="struct" href="../../futures_util/sink/struct.Feed.html" title="struct futures_util::sink::Feed">Feed</a>&lt;'_, Self, Item&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/sink/struct.Feed.html" title="struct futures_util::sink::Feed">Feed</a>&lt;'_, Si, Item&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Si:&nbsp;<a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item&gt; + <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>, Item&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/sink/struct.Feed.html" title="struct futures_util::sink::Feed">Feed</a>&lt;'_, Si, Item&gt;</span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Si::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;;</span></code></span></div></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>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#233-238" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A future that completes after the given item has been received
by the sink. <a href="../../futures_util/sink/trait.SinkExt.html#method.feed">Read more</a></p>
</div><h4 id="method.send_all" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.send_all" class="fnname">send_all</a>&lt;'a, St:&nbsp;?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;'a mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;stream: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;'a mut </a>St<br>) -&gt; <a class="struct" href="../../futures_util/sink/struct.SendAll.html" title="struct futures_util::sink::SendAll">SendAll</a>&lt;'a, Self, St&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="struct" href="../../futures_util/sink/struct.SendAll.html" title="struct futures_util::sink::SendAll">SendAll</a>&lt;'_, Si, St&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;Si:&nbsp;?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, St:&nbsp;?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, Ok, Error&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="../../futures_util/sink/struct.SendAll.html" title="struct futures_util::sink::SendAll">SendAll</a>&lt;'_, Si, St&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Si: <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Ok, Error = Error&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&lt;Item = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Ok, Error&gt;&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = <a class="enum" href="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>, Error&gt;;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;St: <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>&lt;Ok = Item, Error = Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt; + <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#251-260" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A future that completes after the given stream has been fully processed
into the sink, including flushing. <a href="../../futures_util/sink/trait.SinkExt.html#method.send_all">Read more</a></p>
</div><h4 id="method.left_sink" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.left_sink" class="fnname">left_sink</a>&lt;Si2&gt;(self) -&gt; <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;Self, Si2&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;A, B&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;A, B&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = A::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = A::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Si2: <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item, Error = Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#267-273" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Wrap this sink in an <code>Either</code> sink, making it the left-hand variant
of that <code>Either</code>. <a href="../../futures_util/sink/trait.SinkExt.html#method.left_sink">Read more</a></p>
</div><h4 id="method.right_sink" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.right_sink" class="fnname">right_sink</a>&lt;Si1&gt;(self) -&gt; <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;Si1, Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><div class="notable-traits-tooltiptext"><span class="docblock"><h3 class="notable">Notable traits for <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;A, B&gt;</h3><code class="content"><span class="where fmt-newline">impl&lt;A, B&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="enum" href="../../futures_util/future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = A::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;,&nbsp;</span></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="type">Output</a> = A::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>;</span></code></span></div></span></span> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Si1: <a class="trait" href="../../futures_util/sink/trait.Sink.html" title="trait futures_util::sink::Sink">Sink</a>&lt;Item, Error = Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#280-286" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Wrap this stream in an <code>Either</code> stream, making it the right-hand variant
of that <code>Either</code>. <a href="../../futures_util/sink/trait.SinkExt.html#method.right_sink">Read more</a></p>
</div><h4 id="method.poll_ready_unpin" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.poll_ready_unpin" class="fnname">poll_ready_unpin</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#301-306" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A convenience method for calling <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_ready" title="Sink::poll_ready"><code>Sink::poll_ready</code></a> on <a href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="Unpin"><code>Unpin</code></a>
sink types. <a href="../../futures_util/sink/trait.SinkExt.html#method.poll_ready_unpin">Read more</a></p>
</div><h4 id="method.start_send_unpin" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.start_send_unpin" class="fnname">start_send_unpin</a>(&amp;mut self, item: Item) -&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>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#310-315" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A convenience method for calling <a href="../../futures_util/sink/trait.Sink.html#tymethod.start_send" title="Sink::start_send"><code>Sink::start_send</code></a> on <a href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="Unpin"><code>Unpin</code></a>
sink types. <a href="../../futures_util/sink/trait.SinkExt.html#method.start_send_unpin">Read more</a></p>
</div><h4 id="method.poll_flush_unpin" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.poll_flush_unpin" class="fnname">poll_flush_unpin</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#319-324" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A convenience method for calling <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_flush" title="Sink::poll_flush"><code>Sink::poll_flush</code></a> on <a href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="Unpin"><code>Unpin</code></a>
sink types. <a href="../../futures_util/sink/trait.SinkExt.html#method.poll_flush_unpin">Read more</a></p>
</div><h4 id="method.poll_close_unpin" class="method hidden"><code>fn <a href="../../futures_util/sink/trait.SinkExt.html#method.poll_close_unpin" class="fnname">poll_close_unpin</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Self::<a class="type" href="../../futures_util/sink/trait.Sink.html#associatedtype.Error" title="type futures_util::sink::Sink::Error">Error</a>&gt;&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/sink/mod.rs.html#328-333" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>A convenience method for calling <a href="../../futures_util/sink/trait.Sink.html#tymethod.poll_close" title="Sink::poll_close"><code>Sink::poll_close</code></a> on <a href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="Unpin"><code>Unpin</code></a>
sink types. <a href="../../futures_util/sink/trait.SinkExt.html#method.poll_close_unpin">Read more</a></p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#582-591" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#588" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#568-577" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-2" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#574" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryStream" class="impl"><code class="in-band">impl&lt;S, T, E&gt; <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a> for S <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&lt;Item = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-TryStream" class="anchor"></a><a class="srclink" href="../../src/futures_core/stream.rs.html#192-203" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Ok" class="type"><code>type <a href="../../futures_util/stream/trait.TryStream.html#associatedtype.Ok" class="type">Ok</a> = T</code></h4><div class='docblock'><p>The type of successful values yielded by this future</p>
</div><h4 id="associatedtype.Error-3" class="type"><code>type <a href="../../futures_util/stream/trait.TryStream.html#associatedtype.Error" class="type">Error</a> = E</code></h4><div class='docblock'><p>The type of failures yielded by this future</p>
</div><h4 id="method.try_poll_next" class="method hidden"><code>pub fn <a href="../../futures_util/stream/trait.TryStream.html#tymethod.try_poll_next" class="fnname">try_poll_next</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>S&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</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;&lt;S as <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>&gt;::<a class="type" href="../../futures_util/stream/trait.TryStream.html#associatedtype.Ok" title="type futures_util::stream::TryStream::Ok">Ok</a>, &lt;S as <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>&gt;::<a class="type" href="../../futures_util/stream/trait.TryStream.html#associatedtype.Error" title="type futures_util::stream::TryStream::Error">Error</a>&gt;&gt;&gt;</code><a class="srclink" href="../../src/futures_core/stream.rs.html#198-199" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Poll this <code>TryStream</code> as if it were a <code>Stream</code>. <a href="../../futures_util/stream/trait.TryStream.html#tymethod.try_poll_next">Read more</a></p>
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