<!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 `Poll` enum in crate `futures_core`."><meta name="keywords" content="rust, rustlang, rust-lang, Poll"><title>futures_core::task::Poll - 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 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 enum"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../futures_core/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Enum Poll</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#variants">Variants</a><div class="sidebar-links"><a href="#variant.Pending">Pending</a><a href="#variant.Ready">Ready</a></div><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.is_pending">is_pending</a><a href="#method.is_ready">is_ready</a><a href="#method.map">map</a><a href="#method.map_err">map_err</a><a href="#method.map_err-1">map_err</a><a href="#method.map_ok">map_ok</a><a href="#method.map_ok-1">map_ok</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Copy">Copy</a><a href="#impl-Debug">Debug</a><a href="#impl-Eq">Eq</a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Hash">Hash</a><a href="#impl-Ord">Ord</a><a href="#impl-PartialEq%3CPoll%3CT%3E%3E">PartialEq<Poll<T>></a><a href="#impl-PartialOrd%3CPoll%3CT%3E%3E">PartialOrd<Poll<T>></a><a href="#impl-StructuralEq">StructuralEq</a><a href="#impl-StructuralPartialEq">StructuralPartialEq</a><a href="#impl-Try">Try</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-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3C!%3E">From<!></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-ToOwned">ToOwned</a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class='location'><a href='../index.html'>futures_core</a>::<wbr><a href='index.html'>task</a></p><script>window.sidebarCurrent = {name: 'Poll', ty: 'enum', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></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><span class="help-button">?</span>
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span class='since' title='Stable since Rust version 1.36.0'>1.36.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#11-25' title='goto source code'>[src]</a></span><span class='in-band'>Enum <a href='../index.html'>futures_core</a>::<wbr><a href='index.html'>task</a>::<wbr><a class="enum" href=''>Poll</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust enum'><span class="docblock attributes top-attr">#[must_use =
"this `Poll` may be a `Pending` variant, which should be handled"]</span>pub enum Poll<T> {
Ready(T),
Pending,
}</pre></div><div class='docblock'><p>Indicates whether a value is available or if the current task has been
scheduled to receive a wakeup instead.</p>
</div><h2 id='variants' class='variants small-section-header'>
Variants<a href='#variants' class='anchor'></a></h2>
<div id="variant.Ready" class="variant small-section-header"><a href="#variant.Ready" class="anchor field"></a><code>Ready(T)</code></div><div class='docblock'><p>Represents that a value is immediately ready.</p>
</div><div id="variant.Pending" class="variant small-section-header"><a href="#variant.Pending" class="anchor field"></a><code>Pending</code></div><div class='docblock'><p>Represents that a value is not ready yet.</p>
<p>When a function returns <code>Pending</code>, the function <em>must</em> also
ensure that the current task is scheduled to be awoken when
progress can be made.</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<T> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code><a href='#impl' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#27-53' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.map' class="method"><code>pub fn <a href='#method.map' class='fnname'>map</a><U, F>(self, f: F) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><U> <span class="where fmt-newline">where<br> 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>(T) -> U, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#30-38' title='goto source code'>[src]</a></h4><div class='docblock'><p>Changes the ready value of this <code>Poll</code> with the closure provided.</p>
</div><h4 id='method.is_ready' class="method"><code>pub fn <a href='#method.is_ready' class='fnname'>is_ready</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#43-45' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns <code>true</code> if this is <code>Poll::Ready</code></p>
</div><h4 id='method.is_pending' class="method"><code>pub fn <a href='#method.is_pending' class='fnname'>is_pending</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#50-52' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns <code>true</code> if this is <code>Poll::Pending</code></p>
</div></div><h3 id='impl-1' class='impl'><code class='in-band'>impl<T, E> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>></code><a href='#impl-1' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#55-81' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.map_ok' class="method"><code>pub fn <a href='#method.map_ok' class='fnname'>map_ok</a><U, F>(self, f: F) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, E>> <span class="where fmt-newline">where<br> 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>(T) -> U, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#58-67' title='goto source code'>[src]</a></h4><div class='docblock'><p>Changes the success value of this <code>Poll</code> with the closure provided.</p>
</div><h4 id='method.map_err' class="method"><code>pub fn <a href='#method.map_err' class='fnname'>map_err</a><U, F>(self, f: F) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, U>> <span class="where fmt-newline">where<br> 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>(E) -> U, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#71-80' title='goto source code'>[src]</a></h4><div class='docblock'><p>Changes the error value of this <code>Poll</code> with the closure provided.</p>
</div></div><h3 id='impl-2' class='impl'><code class='in-band'>impl<T, E> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>></code><a href='#impl-2' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#83-111' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.map_ok-1' class="method"><code>pub fn <a href='#method.map_ok-1' class='fnname'>map_ok</a><U, F>(self, f: F) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><U, E>>> <span class="where fmt-newline">where<br> 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>(T) -> U, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#86-96' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>poll_map</code>)</div></div><div class='docblock'><p>Changes the success value of this <code>Poll</code> with the closure provided.</p>
</div><h4 id='method.map_err-1' class="method"><code>pub fn <a href='#method.map_err-1' class='fnname'>map_err</a><U, F>(self, f: F) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, U>>> <span class="where fmt-newline">where<br> 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>(E) -> U, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#100-110' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>poll_map</code>)</div></div><div class='docblock'><p>Changes the error value of this <code>Poll</code> with the closure provided.</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-Clone' class='impl'><code class='in-band'>impl<T> <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="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><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></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.clone' class="method hidden"><code>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="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div><h4 id='method.clone_from' class="method hidden"><code>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)</code><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#128-130' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>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></p>
</div></div><h3 id='impl-Copy' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>, </span></code><a href='#impl-Copy' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl<T> <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="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, </span></code><a href='#impl-Debug' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' 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-Eq' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a>, </span></code><a href='#impl-Eq' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-From%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code><a href='#impl-From%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#114-126' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#123-125' title='goto source code'>[src]</a></h4><div class='docblock'><p>Convert to a <code>Ready</code> variant.</p>
<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Poll</span>::<span class="ident">from</span>(<span class="bool-val">true</span>), <span class="ident">Poll</span>::<span class="ident">Ready</span>(<span class="bool-val">true</span>));</pre></div>
</div></div><h3 id='impl-Hash' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></code><a href='#impl-Hash' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.hash' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#tymethod.hash' class='fnname'>hash</a><__H>(&self, state: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>__H) <span class="where fmt-newline">where<br> __H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>, </span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Feeds this value into the given <a href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html" title="Hasher"><code>Hasher</code></a>. <a href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#tymethod.hash">Read more</a></p>
</div><h4 id='method.hash_slice' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#method.hash_slice' class='fnname'>hash_slice</a><H>(data: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[Self]</a>, state: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>H) <span class="where fmt-newline">where<br> H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>, </span></code><span class='since' title='Stable since Rust version 1.3.0'>1.3.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/hash/mod.rs.html#184-191' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Feeds a slice of this type into the given <a href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html" title="Hasher"><code>Hasher</code></a>. <a href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#method.hash_slice">Read more</a></p>
</div></div><h3 id='impl-Ord' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a>, </span></code><a href='#impl-Ord' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.cmp' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#tymethod.cmp' class='fnname'>cmp</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method returns an <a href="https://doc.rust-lang.org/nightly/core/cmp/enum.Ordering.html" title="Ordering"><code>Ordering</code></a> between <code>self</code> and <code>other</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#tymethod.cmp">Read more</a></p>
</div><h4 id='method.max' class="method hidden"><code><span class="docblock attributes">#[must_use]</span>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.max' class='fnname'>max</a>(self, other: Self) -> Self</code><span class='since' title='Stable since Rust version 1.21.0'>1.21.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#595-600' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Compares and returns the maximum of two values. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.max">Read more</a></p>
</div><h4 id='method.min' class="method hidden"><code><span class="docblock attributes">#[must_use]</span>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.min' class='fnname'>min</a>(self, other: Self) -> Self</code><span class='since' title='Stable since Rust version 1.21.0'>1.21.0</span><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#615-620' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Compares and returns the minimum of two values. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.min">Read more</a></p>
</div><h4 id='method.clamp' class="method hidden"><code><span class="docblock attributes">#[must_use]</span>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.clamp' class='fnname'>clamp</a>(self, min: Self, max: Self) -> Self</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#642-654' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>clamp</code>)</div></div><div class='docblock hidden'><p>Restrict a value to a certain interval. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.clamp">Read more</a></p>
</div></div><h3 id='impl-PartialEq%3CPoll%3CT%3E%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><T>, </span></code><a href='#impl-PartialEq%3CPoll%3CT%3E%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.eq' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
</div><h4 id='method.ne' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>!=</code>.</p>
</div></div><h3 id='impl-PartialOrd%3CPoll%3CT%3E%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a><<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a><T>, </span></code><a href='#impl-PartialOrd%3CPoll%3CT%3E%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.partial_cmp' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp' class='fnname'>partial_cmp</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <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/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp">Read more</a></p>
</div><h4 id='method.lt' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.lt' class='fnname'>lt</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code><</code> operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.lt">Read more</a></p>
</div><h4 id='method.le' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.le' class='fnname'>le</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code><=</code>
operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.le">Read more</a></p>
</div><h4 id='method.gt' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.gt' class='fnname'>gt</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>></code> operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.gt">Read more</a></p>
</div><h4 id='method.ge' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.ge' class='fnname'>ge</a>(&self, other: &<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>>=</code>
operator. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.ge">Read more</a></p>
</div></div><h3 id='impl-StructuralEq' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.StructuralEq.html" title="trait core::marker::StructuralEq">StructuralEq</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code><a href='#impl-StructuralEq' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-StructuralPartialEq' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code><a href='#impl-StructuralPartialEq' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#9' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-Try' class='impl'><code class='in-band'>impl<T, E> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>></code><a href='#impl-Try' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#129-151' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Ok' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Ok' class="type">Ok</a> = <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T></code></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock'><p>The type of this value when viewed as successful.</p>
</div><h4 id='associatedtype.Error' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Error' class="type">Error</a> = E</code></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock'><p>The type of this value when viewed as failed.</p>
</div><h4 id='method.into_result' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.into_result' class='fnname'>into_result</a>(<br> self<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Ok" title="type core::ops::try::Try::Ok">Ok</a>, <<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Error" title="type core::ops::try::Try::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#134-140' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock hidden'><p>Applies the "?" operator. A return of <code>Ok(t)</code> means that the
execution should continue normally, and the result of <code>?</code> is the
value <code>t</code>. A return of <code>Err(e)</code> means that execution should branch
to the innermost enclosing <code>catch</code>, or return from the function. <a href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.into_result">Read more</a></p>
</div><h4 id='method.from_error' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_error' class='fnname'>from_error</a>(e: <<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Error" title="type core::ops::try::Try::Error">Error</a>) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#143-145' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock hidden'><p>Wrap an error value to construct the composite result. For example,
<code>Result::Err(x)</code> and <code>Result::from_error(x)</code> are equivalent. <a href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_error">Read more</a></p>
</div><h4 id='method.from_ok' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_ok' class='fnname'>from_ok</a>(x: <<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Ok" title="type core::ops::try::Try::Ok">Ok</a>) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, E>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#148-150' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock hidden'><p>Wrap an OK value to construct the composite result. For example,
<code>Result::Ok(x)</code> and <code>Result::from_ok(x)</code> are equivalent. <a href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_ok">Read more</a></p>
</div></div><h3 id='impl-Try-1' class='impl'><code class='in-band'>impl<T, E> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a> for <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>></code><a href='#impl-Try-1' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#154-177' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Ok-1' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Ok' class="type">Ok</a> = <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T>></code></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock'><p>The type of this value when viewed as successful.</p>
</div><h4 id='associatedtype.Error-1' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Error' class="type">Error</a> = E</code></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock'><p>The type of this value when viewed as failed.</p>
</div><h4 id='method.into_result-1' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.into_result' class='fnname'>into_result</a>(<br> self<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Ok" title="type core::ops::try::Try::Ok">Ok</a>, <<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Error" title="type core::ops::try::Try::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#159-166' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock hidden'><p>Applies the "?" operator. A return of <code>Ok(t)</code> means that the
execution should continue normally, and the result of <code>?</code> is the
value <code>t</code>. A return of <code>Err(e)</code> means that execution should branch
to the innermost enclosing <code>catch</code>, or return from the function. <a href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.into_result">Read more</a></p>
</div><h4 id='method.from_error-1' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_error' class='fnname'>from_error</a>(<br> e: <<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Error" title="type core::ops::try::Try::Error">Error</a><br>) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#169-171' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock hidden'><p>Wrap an error value to construct the composite result. For example,
<code>Result::Err(x)</code> and <code>Result::from_error(x)</code> are equivalent. <a href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_error">Read more</a></p>
</div><h4 id='method.from_ok-1' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_ok' class='fnname'>from_ok</a>(<br> x: <<a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html" title="trait core::ops::try::Try">Try</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#associatedtype.Ok" title="type core::ops::try::Try::Ok">Ok</a><br>) -> <a class="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::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><T, E>>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/task/poll.rs.html#174-176' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>try_trait</code>)</div></div><div class='docblock hidden'><p>Wrap an OK value to construct the composite result. For example,
<code>Result::Ok(x)</code> and <code>Result::from_ok(x)</code> are equivalent. <a href="https://doc.rust-lang.org/nightly/core/ops/try/trait.Try.html#tymethod.from_ok">Read more</a></p>
</div></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<T> <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="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>, </span></code><a href='#impl-RefUnwindSafe' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Send' class='impl'><code class='in-band'>impl<T> <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="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl<T> <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="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Unpin' class='impl'><code class='in-band'>impl<T> <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="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, </span></code><a href='#impl-Unpin' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-UnwindSafe' class='impl'><code class='in-band'>impl<T> <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="enum" href="../../futures_core/task/enum.Poll.html" title="enum futures_core::task::Poll">Poll</a><T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code><a href='#impl-UnwindSafe' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#108-112' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#109-111' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id='impl-Borrow%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210-214' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T<span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class='notable-traits-tooltiptext'><span class="docblock"><h3 class="notable">Notable traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, F> <a class="trait" href="../../futures_core/future/trait.Future.html" title="trait futures_core::future::Future">Future</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> + <a class="trait" href="../../futures_core/future/trait.Future.html" title="trait futures_core::future::Future">Future</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='../../futures_core/future/trait.Future.html#associatedtype.Output' class="type">Output</a> = <F as <a class="trait" href="../../futures_core/future/trait.Future.html" title="trait futures_core::future::Future">Future</a>>::<a class="type" href="../../futures_core/future/trait.Future.html#associatedtype.Output" title="type futures_core::future::Future::Output">Output</a>;</span></code></span></div></span></span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211-213' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id='impl-BorrowMut%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217-221' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T<span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class='notable-traits-tooltiptext'><span class="docblock"><h3 class="notable">Notable traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F</h3><code class="content"><span class="where fmt-newline">impl<'_, F> <a class="trait" href="../../futures_core/future/trait.Future.html" title="trait futures_core::future::Future">Future</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'_ mut </a>F <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> + <a class="trait" href="../../futures_core/future/trait.Future.html" title="trait futures_core::future::Future">Future</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='../../futures_core/future/trait.Future.html#associatedtype.Output' class="type">Output</a> = <F as <a class="trait" href="../../futures_core/future/trait.Future.html" title="trait futures_core::future::Future">Future</a>>::<a class="type" href="../../futures_core/future/trait.Future.html#associatedtype.Output" title="type futures_core::future::Future::Output">Output</a>;</span></code></span></div></span></span></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id='impl-From%3C!%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.never.html">!</a>> for T</code><a href='#impl-From%3C!%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#566-570' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from-2' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.never.html">!</a>) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#567-569' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-From%3CT%3E-1' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href='#impl-From%3CT%3E-1' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#551-555' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from-1' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#552-554' 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<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#540-547' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#544-546' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-ToOwned' class='impl'><code class='in-band'>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></code><a href='#impl-ToOwned' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#80-92' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Owned' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned' class="type">Owned</a> = T</code></h4><div class='docblock'><p>The resulting type after obtaining ownership.</p>
</div><h4 id='method.to_owned' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned' class='fnname'>to_owned</a>(&self) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>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></p>
</div><h4 id='method.clone_into' class="method hidden"><code>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)</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89-91' title='goto source code'>[src]</a></h4><div class='stability hidden'><div class='stab unstable'><details><summary><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
</details></div></div><div class='docblock hidden'><p>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></p>
</div></div><h3 id='impl-TryFrom%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#588-597' 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.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>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#594-596' 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<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#574-583' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-3' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_into' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#580-582' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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