<!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><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><linkrel="stylesheet"href="../../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../../static.files/rustdoc-b21aa549bf6d91ff.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="1.80.0-nightly (c987ad527 2024-05-01)"data-channel="nightly"data-search-js="search-bf21c90c8c1d92b1.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../../../static.files/storage-e32f0c247825364d.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../../static.files/main-20a3ad099b048cf2.js"></script><noscript><linkrel="stylesheet"href="../../../static.files/noscript-09095024cf37855e.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"title="show sidebar"></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><divclass="sidebar-resizer"></div><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../../actix_web_httpauth/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Type ‘S’ or ‘/’ 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">Settings</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">Copy item path</button></h1><spanclass="out-of-band"><aclass="src"href="../../../src/actix_web_httpauth/headers/www_authenticate/challenge/mod.rs.html#9-12">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub trait Challenge: TryInt
</div></details><h2id="required-methods"class="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>
</div></details></div><h2id="object-safety"class="section-header">Object Safety<ahref="#object-safety"class="anchor">§</a></h2><divclass="object-safety-info">This trait is <b>not</b><ahref="https://doc.rust-lang.org/nightly/reference/items/traits.html#object-safety">object safe</a>.</div><h2id="implementors"class="section-header">Implementors<ahref="#implementors"class="anchor">§</a></h2><divid="implementors-list"></div><scriptsrc="../../../trait.impl/actix_web_httpauth/headers/www_authenticate/challenge/trait.Challenge.js"async></script></section></div></main></body></html>
