mirror of
https://github.com/OMGeeky/google-apis-rs.git
synced 2026-01-25 12:44:07 +01:00
22 lines
4.9 KiB
HTML
22 lines
4.9 KiB
HTML
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `enter` fn in crate `futures`."><meta name="keywords" content="rust, rustlang, rust-lang, enter"><title>futures::executor::enter - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
|
||
<link rel="alternate icon" type="image/png" href="../../favicon-16x16.png">
|
||
<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 fn"><!--[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/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">futures</a>::<wbr><a href="index.html">executor</a></p><div id="sidebar-vars" data-name="enter" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
|
||
<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../index.html">futures</a>::<wbr><a href="index.html">executor</a>::<wbr><a class="fn" href="">enter</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span><a class="srclink" href="../../src/futures_executor/enter.rs.html#55" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn enter() -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../../futures/executor/struct.Enter.html" title="struct futures::executor::Enter">Enter</a>, <a class="struct" href="../../futures/executor/struct.EnterError.html" title="struct futures::executor::EnterError">EnterError</a>></pre><div class="docblock"><p>Marks the current thread as being within the dynamic extent of an
|
||
executor.</p>
|
||
<p>Executor implementations should call this function before beginning to
|
||
execute a tasks, and drop the returned <a href="../../futures/executor/struct.Enter.html"><code>Enter</code></a> value after
|
||
completing task execution:</p>
|
||
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">executor</span>::<span class="ident">enter</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">enter</span> <span class="op">=</span> <span class="ident">enter</span>().<span class="ident">expect</span>(<span class="string">"..."</span>);
|
||
<span class="comment">/* run task */</span>
|
||
<span class="ident">drop</span>(<span class="ident">enter</span>);</pre></div>
|
||
<p>Doing so ensures that executors aren't
|
||
accidentally invoked in a nested fashion.</p>
|
||
<h1 id="error" class="section-header"><a href="#error">Error</a></h1>
|
||
<p>Returns an error if the current thread is already marked, in which case the
|
||
caller should panic with a tailored error message.</p>
|
||
</div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures"></div>
|
||
<script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html> |