<!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="Authentication challenge for `WWW-Authenticate` header."><title>Challenge in actix_web_httpauth::headers::www_authenticate - Rust</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/SourceSerif4-Bold-a2c9cd1067f8b328.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-9ee3a5e31a2afa3e.css"><metaname="rustdoc-vars"data-root-path="../../../"data-static-root-path="../../../static.files/"data-current-crate="actix_web_httpauth"data-themes=""data-resource-suffix=""data-rustdoc-version="1.75.0-nightly (a2f5f9691 2023-11-02)"data-channel="nightly"data-search-js="search-8fbf244ebcf71464.js"data-settings-js="settings-74424d7eec62a23e.js"><scriptsrc="../../../static.files/storage-fec3eaa3851e447d.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../../static.files/main-9dd44ab47b99a0fb.js"></script><noscript><linkrel="stylesheet"href="../../../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><linkrel="icon"href="https://actix.rs/favicon.ico"></head><bodyclass="rustdoc trait"><!--[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">☰</button><aclass="logo-container"href="../../../actix_web_httpauth/index.html"><imgsrc="https://actix.rs/img/logo.png"alt=""></a></nav><navclass="sidebar"><divclass="sidebar-crate"><aclass="logo-container"href="../../../actix_web_httpauth/index.html"><imgsrc="https://actix.rs/img/logo.png"alt="logo"></a><h2><ahref="../../../actix_web_httpauth/index.html">actix_web_httpauth</a><spanclass="version">0.8.1</span></h2></div><h2class="location"><ahref="#">Challenge</a></h2><divclass="sidebar-elems"><section><h3><ahref="#required-methods">Required Methods</a></h3><ulclass="block"><li><ahref="#tymethod.to_bytes">to_bytes</a></li></ul><h3><ahref="#object-safety">Object Safety</a></h3><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In actix_web_httpauth::headers::www_authenticate</a></h2></div></nav><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><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"title="help"tabindex="-1"><ahref="../../../help.html">?</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>Trait <ahref="../../index.html">actix_web_httpauth</a>::<wbr><ahref="../index.html">headers</a>::<wbr><ahref="index.html">www_authenticate</a>::<wbr><aclass="trait"href="#">Challenge</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../../static.files/clipboard-7571035ce49
</div></details><h2id="required-methods"class="small-section-header">Required Methods<ahref="#required-methods"class="anchor">§</a></h2><divclass="methods"><detailsclass="toggle method-toggle"open><summary><sectionid="tymethod.to_bytes"class="method"><aclass="src rightside"href="../../../src/actix_web_httpauth/headers/www_authenticate/challenge/mod.rs.html#11">source</a><h4class="code-header">fn <ahref="#tymethod.to_bytes"class="fn">to_bytes</a>(&self) -> Bytes</h4></section></summary><divclass="docblock"><p>Converts the challenge into a bytes suitable for HTTP transmission.</p>