| <!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="Combines two different futures, streams, or sinks having the same associated types into a single type."><meta name="keywords" content="rust, rustlang, rust-lang, Either"><title>Either in futures_util::future - 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 href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc enum"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../futures_util/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_util/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Either</a></h2><div class="sidebar-elems"><section><h3><a href="#variants">Variants</a></h3><ul class="block"><li><a href="#variant.Left">Left</a></li><li><a href="#variant.Right">Right</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.as_pin_mut">as_pin_mut</a></li><li><a href="#method.as_pin_ref">as_pin_ref</a></li><li><a href="#method.factor_first">factor_first</a></li><li><a href="#method.factor_second">factor_second</a></li><li><a href="#method.into_inner">into_inner</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-Either%3CA%2C%20B%3E">Clone</a></li><li><a href="#impl-Debug-for-Either%3CA%2C%20B%3E">Debug</a></li><li><a href="#impl-FusedFuture-for-Either%3CA%2C%20B%3E">FusedFuture</a></li><li><a href="#impl-FusedStream-for-Either%3CA%2C%20B%3E">FusedStream</a></li><li><a href="#impl-Future-for-Either%3CA%2C%20B%3E">Future</a></li><li><a href="#impl-Stream-for-Either%3CA%2C%20B%3E">Stream</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Either%3CA%2C%20B%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Either%3CA%2C%20B%3E">Send</a></li><li><a href="#impl-Sync-for-Either%3CA%2C%20B%3E">Sync</a></li><li><a href="#impl-Unpin-for-Either%3CA%2C%20B%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Either%3CA%2C%20B%3E">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Either%3CA%2C%20B%3E">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Either%3CA%2C%20B%3E">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Either%3CA%2C%20B%3E">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-Either%3CA%2C%20B%3E">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-Either%3CA%2C%20B%3E">Into<U></a></li><li><a href="#impl-IntoFuture-for-Either%3CA%2C%20B%3E">IntoFuture</a></li><li><a href="#impl-ToOwned-for-Either%3CA%2C%20B%3E">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Either%3CA%2C%20B%3E">TryFrom<U></a></li><li><a href="#impl-TryFuture-for-Either%3CA%2C%20B%3E">TryFuture</a></li><li><a href="#impl-TryInto%3CU%3E-for-Either%3CA%2C%20B%3E">TryInto<U></a></li><li><a href="#impl-TryStream-for-Either%3CA%2C%20B%3E">TryStream</a></li></ul></section><h2><a href="index.html">In futures_util::future</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">Enum <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="enum" href="#">Either</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/future/either.rs.html#28-33">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust enum"><code>pub enum Either<A, B> { |
| Left(A), |
| Right(B), |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Combines two different futures, streams, or sinks having the same associated types into a single type.</p> |
| <p>This is useful when conditionally choosing between two distinct future types:</p> |
| |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::future::Either; |
| |
| <span class="kw">let </span>cond = <span class="bool-val">true</span>; |
| |
| <span class="kw">let </span>fut = <span class="kw">if </span>cond { |
| Either::Left(<span class="kw">async move </span>{ <span class="number">12 </span>}) |
| } <span class="kw">else </span>{ |
| Either::Right(<span class="kw">async move </span>{ <span class="number">44 </span>}) |
| }; |
| |
| <span class="macro">assert_eq!</span>(fut.<span class="kw">await</span>, <span class="number">12</span>);</code></pre></div> |
| </div></details><h2 id="variants" class="variants small-section-header">Variants<a href="#variants" class="anchor"></a></h2><h3 id="variant.Left" class="variant small-section-header"><a href="#variant.Left" class="anchor field"></a><code>Left(A)</code></h3><div class="docblock"><p>First branch of the type</p> |
| </div><h3 id="variant.Right" class="variant small-section-header"><a href="#variant.Right" class="anchor field"></a><code>Right(B)</code></h3><div class="docblock"><p>Second branch of the type</p> |
| </div><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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#35-64">source</a><a href="#impl-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.as_pin_ref" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#38-47">source</a><h4 class="code-header">pub fn <a href="#method.as_pin_ref" class="fnname">as_pin_ref</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self>) -> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><<a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>A>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>B>><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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B></span><code class="content"><span class="where fmt-newline">impl<A, 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> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> 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> 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><Output = A::<a class="associatedtype" 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></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = A::<a class="associatedtype" 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></span></span></span></h4></section></summary><div class="docblock"><p>Convert <code>Pin<&Either<A, B>></code> to <code>Either<Pin<&A>, Pin<&B>></code>, |
| pinned projections of the inner variants.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.as_pin_mut" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#51-63">source</a><h4 class="code-header">pub fn <a href="#method.as_pin_mut" class="fnname">as_pin_mut</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>) -> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><<a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>A>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>B>><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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B></span><code class="content"><span class="where fmt-newline">impl<A, 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> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> 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> 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><Output = A::<a class="associatedtype" 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></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = A::<a class="associatedtype" 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></span></span></span></h4></section></summary><div class="docblock"><p>Convert <code>Pin<&mut Either<A, B>></code> to <code>Either<Pin<&mut A>, Pin<&mut B>></code>, |
| pinned projections of the inner variants.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Either%3C(T%2C%20A)%2C%20(T%2C%20B)%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#66-76">source</a><a href="#impl-Either%3C(T%2C%20A)%2C%20(T%2C%20B)%3E" class="anchor"></a><h3 class="code-header">impl<A, B, T> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(T, A)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(T, B)</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.factor_first" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#70-75">source</a><h4 class="code-header">pub fn <a href="#method.factor_first" class="fnname">factor_first</a>(self) -> (T, <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B>)</h4></section></summary><div class="docblock"><p>Factor out a homogeneous type from an either of pairs.</p> |
| <p>Here, the homogeneous type is the first element of the pairs.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Either%3C(A%2C%20T)%2C%20(B%2C%20T)%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#78-88">source</a><a href="#impl-Either%3C(A%2C%20T)%2C%20(B%2C%20T)%3E" class="anchor"></a><h3 class="code-header">impl<A, B, T> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, T)</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(B, T)</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.factor_second" class="method has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#82-87">source</a><h4 class="code-header">pub fn <a href="#method.factor_second" class="fnname">factor_second</a>(self) -> (<a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B>, T)</h4></section></summary><div class="docblock"><p>Factor out a homogeneous type from an either of pairs.</p> |
| <p>Here, the homogeneous type is the second element of the pairs.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Either%3CT%2C%20T%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#90-98">source</a><a href="#impl-Either%3CT%2C%20T%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><T, T></h3></section></summary><div class="impl-items"><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/future/either.rs.html#92-97">source</a><h4 class="code-header">pub fn <a href="#method.into_inner" class="fnname">into_inner</a>(self) -> T</h4></section></summary><div class="docblock"><p>Extract the value of an either over two equivalent types.</p> |
| </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-Clone-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#27">source</a><a href="#impl-Clone-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> <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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B></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/future/either.rs.html#27">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>(&self) -> <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B></span><code class="content"><span class="where fmt-newline">impl<A, 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> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> 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> 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><Output = A::<a class="associatedtype" 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></span><span class="where fmt-newline"> type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = A::<a class="associatedtype" 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></span></span></span></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>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#27">source</a><a href="#impl-Debug-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B></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/future/either.rs.html#27">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>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></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-FusedFuture-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#115-126">source</a><a href="#impl-FusedFuture-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <a class="trait" href="trait.FusedFuture.html" title="trait futures_util::future::FusedFuture">FusedFuture</a> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="trait.FusedFuture.html" title="trait futures_util::future::FusedFuture">FusedFuture</a>,<br> B: <a class="trait" href="trait.FusedFuture.html" title="trait futures_util::future::FusedFuture">FusedFuture</a><Output = A::<a class="associatedtype" 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_terminated" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#120-125">source</a><a href="#method.is_terminated" class="anchor"></a><h4 class="code-header">fn <a href="trait.FusedFuture.html#tymethod.is_terminated" class="fnname">is_terminated</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns <code>true</code> if the underlying future should no longer be polled.</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-FusedStream-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#150-161">source</a><a href="#impl-FusedStream-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <a class="trait" href="../stream/trait.FusedStream.html" title="trait futures_util::stream::FusedStream">FusedStream</a> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="../stream/trait.FusedStream.html" title="trait futures_util::stream::FusedStream">FusedStream</a>,<br> B: <a class="trait" href="../stream/trait.FusedStream.html" title="trait futures_util::stream::FusedStream">FusedStream</a><Item = A::<a class="associatedtype" href="../stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_terminated-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#155-160">source</a><a href="#method.is_terminated-1" class="anchor"></a><h4 class="code-header">fn <a href="../stream/trait.FusedStream.html#tymethod.is_terminated" class="fnname">is_terminated</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns <code>true</code> if the stream should no longer be polled.</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Future-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#100-113">source</a><a href="#impl-Future-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, 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> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> 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> 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><Output = A::<a class="associatedtype" 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <A as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a></h4></section></summary><div class='docblock'>The type of value produced on completion.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#107-112">source</a><a href="#method.poll" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll" class="fnname">poll</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>, cx: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><Self::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>></h4></section></summary><div class='docblock'>Attempt to resolve the future to a final value, registering |
| the current task for wakeup if the value is not yet available. <a href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#tymethod.poll">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Stream-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#128-148">source</a><a href="#impl-Stream-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <a class="trait" href="../stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a> for <a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="../stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>,<br> B: <a class="trait" href="../stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a><Item = A::<a class="associatedtype" href="../stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Item" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Item" class="anchor"></a><h4 class="code-header">type <a href="../stream/trait.Stream.html#associatedtype.Item" class="associatedtype">Item</a> = <A as <a class="trait" href="../stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>>::<a class="associatedtype" href="../stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a></h4></section></summary><div class='docblock'>Values yielded by the stream.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_next" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#135-140">source</a><a href="#method.poll_next" class="anchor"></a><h4 class="code-header">fn <a href="../stream/trait.Stream.html#tymethod.poll_next" class="fnname">poll_next</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self>,<br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self::<a class="associatedtype" href="../stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>>></h4></section></summary><div class='docblock'>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="../stream/trait.Stream.html#tymethod.poll_next">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.size_hint" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/either.rs.html#142-147">source</a><a href="#method.size_hint" class="anchor"></a><h4 class="code-header">fn <a href="../stream/trait.Stream.html#method.size_hint" class="fnname">size_hint</a>(&self) -> (<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><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>>)</h4></section></summary><div class='docblock'>Returns the bounds on the remaining length of the stream. <a href="../stream/trait.Stream.html#method.size_hint">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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <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>,<br> B: <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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a href="#impl-Send-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br> B: <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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a href="#impl-Sync-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br> B: <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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a href="#impl-Unpin-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,<br> B: <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-Either%3CA%2C%20B%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<A, B> <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="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <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>,<br> B: <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-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></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>(&self) -> <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-Borrow%3CT%3E-for-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></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>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</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-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></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>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&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-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</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) -> 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-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</span></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) -> 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><T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-IntoFuture-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#132">source</a><a href="#impl-IntoFuture-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<F> <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a> for F<span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Output-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.Output" class="associatedtype">Output</a> = <F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a></h4></section></summary><div class='docblock'>The output that the future will produce on completion.</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.IntoFuture" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.IntoFuture" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.IntoFuture" class="associatedtype">IntoFuture</a> = F</h4></section></summary><div class='docblock'>Which kind of future are we turning this into?</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_future" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/future/into_future.rs.html#136">source</a><a href="#method.into_future" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#tymethod.into_future" class="fnname">into_future</a>(self) -> <F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#associatedtype.IntoFuture" title="type core::future::into_future::IntoFuture::IntoFuture">IntoFuture</a></h4></section></summary><div class='docblock'>Creates a future from a value. <a href="https://doc.rust-lang.org/nightly/core/future/into_future/trait.IntoFuture.html#tymethod.into_future">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T> <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> 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>(&self) -> 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>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&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-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</span></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) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="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'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFuture-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_core/future.rs.html#73">source</a><a href="#impl-TryFuture-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<F, T, E> <a class="trait" href="trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a> for F<span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a><Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>> + ?<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" open><summary><section id="associatedtype.Ok" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Ok" class="anchor"></a><h4 class="code-header">type <a href="trait.TryFuture.html#associatedtype.Ok" class="associatedtype">Ok</a> = T</h4></section></summary><div class='docblock'>The type of successful values yielded by this future</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-2" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-2" class="anchor"></a><h4 class="code-header">type <a href="trait.TryFuture.html#associatedtype.Error" class="associatedtype">Error</a> = E</h4></section></summary><div class='docblock'>The type of failures yielded by this future</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_poll" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_core/future.rs.html#81">source</a><a href="#method.try_poll" class="anchor"></a><h4 class="code-header">fn <a href="trait.TryFuture.html#tymethod.try_poll" class="fnname">try_poll</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>F>,<br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<F as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>></h4></section></summary><div class='docblock'>Poll this <code>TryFuture</code> as if it were a <code>Future</code>. <a href="trait.TryFuture.html#tymethod.try_poll">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Either%3CA%2C%20B%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-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</span></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> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="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) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="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'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryStream-for-Either%3CA%2C%20B%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_core/stream.rs.html#185">source</a><a href="#impl-TryStream-for-Either%3CA%2C%20B%3E" class="anchor"></a><h3 class="code-header">impl<S, T, E> <a class="trait" href="../stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a> for S<span class="where fmt-newline">where<br> S: <a class="trait" href="../stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a><Item = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>> + ?<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" open><summary><section id="associatedtype.Ok-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Ok-1" class="anchor"></a><h4 class="code-header">type <a href="../stream/trait.TryStream.html#associatedtype.Ok" class="associatedtype">Ok</a> = T</h4></section></summary><div class='docblock'>The type of successful values yielded by this future</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-3" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-3" class="anchor"></a><h4 class="code-header">type <a href="../stream/trait.TryStream.html#associatedtype.Error" class="associatedtype">Error</a> = E</h4></section></summary><div class='docblock'>The type of failures yielded by this future</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_poll_next" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_core/stream.rs.html#192-195">source</a><a href="#method.try_poll_next" class="anchor"></a><h4 class="code-header">fn <a href="../stream/trait.TryStream.html#tymethod.try_poll_next" class="fnname">try_poll_next</a>(<br> self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>S>,<br> cx: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a><'_><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<S as <a class="trait" href="../stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>>::<a class="associatedtype" href="../stream/trait.TryStream.html#associatedtype.Ok" title="type futures_util::stream::TryStream::Ok">Ok</a>, <S as <a class="trait" href="../stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>>::<a class="associatedtype" href="../stream/trait.TryStream.html#associatedtype.Error" title="type futures_util::stream::TryStream::Error">Error</a>>>></h4></section></summary><div class='docblock'>Poll this <code>TryStream</code> as if it were a <code>Stream</code>. <a href="../stream/trait.TryStream.html#tymethod.try_poll_next">Read more</a></div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures_util" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
