<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="Documentation for Rustdoc"><title>Help</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="./static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="./static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="./static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="./static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="./static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="./static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="./static.files/rustdoc-5bc39a1768837dd0.css"><metaname="rustdoc-vars"data-root-path="./"data-static-root-path="./static.files/"data-current-crate="edb"data-themes=""data-resource-suffix=""data-rustdoc-version="1.77.1 (7cf61ebde 2024-03-27)"data-channel="1.77.1"data-search-js="search-dd67cee4cfa65049.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="./static.files/storage-4c98445ec4002617.js"></script><scriptdefersrc="./static.files/main-48f368f3872407c8.js"></script><noscript><linkrel="stylesheet"href="./static.files/noscript-04d5337699b92874.css"></noscript><linkrel="alternate icon"type="image/png"href="./static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="./static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="./static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc mod sys"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle"title="show sidebar"></button><aclass="logo-container"href="./index.html"><imgclass="rust-logo"src="./static.files/rust-logo-151179464ae7ed46.svg"alt=""></a></nav><navclass="sidebar"><divclass="sidebar-crate"><aclass="logo-container"href="./index.html"><imgclass="rust-logo"src="./static.files/rust-logo-151179464ae7ed46.svg"alt="logo"></a><h2><ahref="./index.html">Rustdoc</a><spanclass="version">1.77.1</span></h2></div><divclass="version">(7cf61ebde 2024-03-27)</div><h2class="location">Help</h2><divclass="sidebar-elems"></div></nav><divclass="sidebar-resizer"></div>
<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="./edb/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"tabindex="-1"><ahref="./help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="./settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="./static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Rustdoc help</h1><spanclass="out-of-band"><aid="back"href="javascript:void(0)"onclick="history.back();">Back</a></span></div><noscript><section><p>You need to enable JavaScript to use keyboard commands or search.</p><p>For more information, browse the <ahref="https://doc.rust-lang.org/rustdoc/">rustdoc handbook</a>.</p></section></noscript></section></div></main></body></html>
