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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">actix_web</span>::{
<span class="ident">error::ParseError</span>,
<span class="ident">http::header</span>::{<span class="ident">Header</span>, <span class="ident">HeaderName</span>, <span class="ident">HeaderValue</span>, <span class="ident">TryIntoHeaderValue</span>, <span class="ident">WWW_AUTHENTICATE</span>},
<span class="ident">HttpMessage</span>,
};
<span class="kw">use</span> <span class="ident"><span class="kw">super</span>::Challenge</span>;
<span class="doccomment">/// `WWW-Authenticate` header, described in [RFC 7235](https://tools.ietf.org/html/rfc7235#section-4.1)</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This header is generic over [Challenge](./trait.Challenge.html) trait,</span>
<span class="doccomment">/// see [Basic](./basic/struct.Basic.html) and</span>
<span class="doccomment">/// [Bearer](./bearer/struct.Bearer.html) challenges for details.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Eq</span>, <span class="ident">PartialEq</span>, <span class="ident">Ord</span>, <span class="ident">PartialOrd</span>, <span class="ident">Hash</span>, <span class="ident">Debug</span>, <span class="ident">Default</span>, <span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">WwwAuthenticate</span><span class="op"><</span><span class="ident">C</span>: <span class="ident">Challenge</span><span class="op">></span>(<span class="kw">pub</span> <span class="ident">C</span>);
<span class="kw">impl</span><span class="op"><</span><span class="ident">C</span>: <span class="ident">Challenge</span><span class="op">></span> <span class="ident">Header</span> <span class="kw">for</span> <span class="ident">WwwAuthenticate</span><span class="op"><</span><span class="ident">C</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">name</span>() -> <span class="ident">HeaderName</span> {
<span class="ident">WWW_AUTHENTICATE</span>
}
<span class="kw">fn</span> <span class="ident">parse</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">HttpMessage</span><span class="op">></span>(<span class="ident">_msg</span>: <span class="kw-2">&</span><span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">ParseError</span><span class="op">></span> {
<span class="macro">unimplemented!</span>()
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">C</span>: <span class="ident">Challenge</span><span class="op">></span> <span class="ident">TryIntoHeaderValue</span> <span class="kw">for</span> <span class="ident">WwwAuthenticate</span><span class="op"><</span><span class="ident">C</span><span class="op">></span> {
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="op"><</span><span class="ident">C</span> <span class="kw">as</span> <span class="ident">TryIntoHeaderValue</span><span class="op">></span><span class="ident">::Error</span>;
<span class="kw">fn</span> <span class="ident">try_into_value</span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">HeaderValue</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">try_into_value</span>()
}
}
</code></pre></div>
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