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<!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 `OccupiedEntry` struct in crate `actix_web`."><meta name="keywords" content="rust, rustlang, rust-lang, OccupiedEntry"><title>actix_web::http::header::OccupiedEntry - 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="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc struct"><!--[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><p class='location'>Struct OccupiedEntry</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.key">key</a><a href="#method.get">get</a><a href="#method.get_mut">get_mut</a><a href="#method.into_mut">into_mut</a><a href="#method.insert">insert</a><a href="#method.insert_mult">insert_mult</a><a href="#method.append">append</a><a href="#method.remove">remove</a><a href="#method.remove_entry">remove_entry</a><a href="#method.remove_entry_mult">remove_entry_mult</a><a href="#method.iter">iter</a><a href="#method.iter_mut">iter_mut</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-IntoIterator">IntoIterator</a><a href="#impl-Debug">Debug</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div></div><p class='location'><a href='../../index.html'>actix_web</a>::<wbr><a href='../index.html'>http</a>::<wbr><a href='index.html'>header</a></p><script>window.sidebarCurrent = {name: 'OccupiedEntry', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><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'>Struct <a href='../../index.html'>actix_web</a>::<wbr><a href='../index.html'>http</a>::<wbr><a href='index.html'>header</a>::<wbr><a class="struct" href=''>OccupiedEntry</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='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#171-175' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust struct'>pub struct OccupiedEntry<'a, T> <span class="where fmt-newline">where<br> T: 'a, </span> { /* fields omitted */ }</pre></div><div class='docblock'><p>A view into a single occupied location in a <code>HeaderMap</code>.</p>
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<p>This struct is returned as part of the <code>Entry</code> enum.</p>
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</div>
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<h2 id='methods' class='small-section-header'>
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Methods<a href='#methods' class='anchor'></a>
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</h2>
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<h3 id='impl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, T> <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T></code><a href='#impl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2541-2832' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.key' class="method"><span id='key.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.key' class='fnname'>key</a>(&self) -> &<a class="struct" href="../../../actix_web/http/header/struct.HeaderName.html" title="struct actix_web::http::header::HeaderName">HeaderName</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2555-2557' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns a reference to the entry's key.</p>
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<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
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<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
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<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"host"</span>, <span class="ident">e</span>.<span class="ident">key</span>());
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}</pre>
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</div><h4 id='method.get' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</h3><code class="content"><span class="where fmt-newline">impl<'a, R> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, W> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>W <span class="where fmt-newline">where<br> W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, I> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>I <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <I as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a>;</span></code></div></div><span id='get.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get' class='fnname'>get</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2582-2584' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Get a reference to the first value in the entry.</p>
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<p>Values are stored in insertion order.</p>
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<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
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<p><code>get</code> panics if there are no values associated with the entry.</p>
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<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
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<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"hello.world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
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<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="kw-2">mut</span> <span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">get</span>(), <span class="kw-2">&</span><span class="string">"hello.world"</span>);
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<span class="ident">e</span>.<span class="ident">append</span>(<span class="string">"hello.earth"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">get</span>(), <span class="kw-2">&</span><span class="string">"hello.world"</span>);
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}</pre>
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</div><h4 id='method.get_mut' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</h3><code class="content"><span class="where fmt-newline">impl<'a, R> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, W> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>W <span class="where fmt-newline">where<br> W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, I> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>I <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <I as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a>;</span></code></div></div><span id='get_mut.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get_mut' class='fnname'>get_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2606-2608' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Get a mutable reference to the first value in the entry.</p>
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<p>Values are stored in insertion order.</p>
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<h1 id="panics-1" class="section-header"><a href="#panics-1">Panics</a></h1>
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<p><code>get_mut</code> panics if there are no values associated with the entry.</p>
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<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">default</span>();
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<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"hello.world"</span>.<span class="ident">to_string</span>());
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<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="kw-2">mut</span> <span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
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<span class="ident">e</span>.<span class="ident">get_mut</span>().<span class="ident">push_str</span>(<span class="string">"-2"</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">get</span>(), <span class="kw-2">&</span><span class="string">"hello.world-2"</span>);
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}</pre>
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</div><h4 id='method.into_mut' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</span></div><div class="content hidden"><h3 class="important">Important traits for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R</h3><code class="content"><span class="where fmt-newline">impl<'a, R> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>R <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, W> <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>W <span class="where fmt-newline">where<br> W: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html" title="trait std::io::Write">Write</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline">impl<'a, I> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>I <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <I as <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a>;</span></code></div></div><span id='into_mut.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.into_mut' class='fnname'>into_mut</a>(self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2633-2635' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Converts the <code>OccupiedEntry</code> into a mutable reference to the <strong>first</strong>
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value.</p>
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<p>The lifetime of the returned reference is bound to the original map.</p>
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<h1 id="panics-2" class="section-header"><a href="#panics-2">Panics</a></h1>
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<p><code>into_mut</code> panics if there are no values associated with the entry.</p>
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<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">default</span>();
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<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"hello.world"</span>.<span class="ident">to_string</span>());
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<span class="ident">map</span>.<span class="ident">append</span>(<span class="ident">HOST</span>, <span class="string">"hello.earth"</span>.<span class="ident">to_string</span>());
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<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
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<span class="ident">e</span>.<span class="ident">into_mut</span>().<span class="ident">push_str</span>(<span class="string">"-2"</span>);
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}
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"hello.world-2"</span>, <span class="ident">map</span>[<span class="string">"host"</span>]);</pre>
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</div><h4 id='method.insert' class="method"><span id='insert.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.insert' class='fnname'>insert</a>(&mut self, value: T) -> T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2656-2658' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Sets the value of the entry.</p>
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<p>All previous values associated with the entry are removed and the first
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one is returned. See <code>insert_mult</code> for an API that returns all values.</p>
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<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
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<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"hello.world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
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|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="kw-2">mut</span> <span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">prev</span> <span class="op">=</span> <span class="ident">e</span>.<span class="ident">insert</span>(<span class="string">"earth"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"hello.world"</span>, <span class="ident">prev</span>);
|
||
}
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"earth"</span>, <span class="ident">map</span>[<span class="string">"host"</span>]);</pre>
|
||
</div><h4 id='method.insert_mult' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueDrain.html" title="struct actix_web::http::header::ValueDrain">ValueDrain</a><'a, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueDrain.html" title="struct actix_web::http::header::ValueDrain">ValueDrain</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.ValueDrain.html" title="struct actix_web::http::header::ValueDrain">ValueDrain</a><'a, T></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = T;</span></code></div></div><span id='insert_mult.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.insert_mult' class='fnname'>insert_mult</a>(&mut self, value: T) -> <a class="struct" href="../../../actix_web/http/header/struct.ValueDrain.html" title="struct actix_web::http::header::ValueDrain">ValueDrain</a><T></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2682-2684' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Sets the value of the entry.</p>
|
||
<p>This function does the same as <code>insert</code> except it returns an iterator
|
||
that yields all values previously associated with the key.</p>
|
||
<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
<span class="ident">map</span>.<span class="ident">append</span>(<span class="ident">HOST</span>, <span class="string">"world2"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="kw-2">mut</span> <span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">prev</span> <span class="op">=</span> <span class="ident">e</span>.<span class="ident">insert_mult</span>(<span class="string">"earth"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"world"</span>, <span class="ident">prev</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"world2"</span>, <span class="ident">prev</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">prev</span>.<span class="ident">next</span>().<span class="ident">is_none</span>());
|
||
}
|
||
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"earth"</span>, <span class="ident">map</span>[<span class="string">"host"</span>]);</pre>
|
||
</div><h4 id='method.append' class="method"><span id='append.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.append' class='fnname'>append</a>(&mut self, value: T)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2707-2711' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Insert the value into the entry.</p>
|
||
<p>The new value is appended to the end of the entry's value list. All
|
||
previous values associated with the entry are retained.</p>
|
||
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="kw-2">mut</span> <span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="ident">e</span>.<span class="ident">append</span>(<span class="string">"earth"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="ident">values</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_all</span>(<span class="string">"host"</span>);
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">values</span>.<span class="ident">iter</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"world"</span>, <span class="kw-2">*</span><span class="ident">i</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"earth"</span>, <span class="kw-2">*</span><span class="ident">i</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());</pre>
|
||
</div><h4 id='method.remove' class="method"><span id='remove.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove' class='fnname'>remove</a>(self) -> T</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2732-2734' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Remove the entry from the map.</p>
|
||
<p>All values associated with the entry are removed and the first one is
|
||
returned. See <code>remove_entry_mult</code> for an API that returns all values.</p>
|
||
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">prev</span> <span class="op">=</span> <span class="ident">e</span>.<span class="ident">remove</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"world"</span>, <span class="ident">prev</span>);
|
||
}
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">map</span>.<span class="ident">contains_key</span>(<span class="string">"host"</span>));</pre>
|
||
</div><h4 id='method.remove_entry' class="method"><span id='remove_entry.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove_entry' class='fnname'>remove_entry</a>(self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../../actix_web/http/header/struct.HeaderName.html" title="struct actix_web::http::header::HeaderName">HeaderName</a>, T<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2757-2765' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Remove the entry from the map.</p>
|
||
<p>The key and all values associated with the entry are removed and the
|
||
first one is returned. See <code>remove_entry_mult</code> for an API that returns
|
||
all values.</p>
|
||
<h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="kw">let</span> (<span class="ident">key</span>, <span class="kw-2">mut</span> <span class="ident">prev</span>) <span class="op">=</span> <span class="ident">e</span>.<span class="ident">remove_entry</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"host"</span>, <span class="ident">key</span>.<span class="ident">as_str</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">"world"</span>, <span class="ident">prev</span>);
|
||
}
|
||
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span><span class="ident">map</span>.<span class="ident">contains_key</span>(<span class="string">"host"</span>));</pre>
|
||
</div><h4 id='method.remove_entry_mult' class="method"><span id='remove_entry_mult.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.remove_entry_mult' class='fnname'>remove_entry_mult</a>(self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="../../../actix_web/http/header/struct.HeaderName.html" title="struct actix_web::http::header::HeaderName">HeaderName</a>, <a class="struct" href="../../../actix_web/http/header/struct.ValueDrain.html" title="struct actix_web::http::header::ValueDrain">ValueDrain</a><'a, T><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2771-2780' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Remove the entry from the map.</p>
|
||
<p>The key and all values associated with the entry are removed and
|
||
returned.</p>
|
||
</div><h4 id='method.iter' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T> <span class="where fmt-newline">where<br> T: 'a, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T;</span></code></div></div><span id='iter.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.iter' class='fnname'>iter</a>(&self) -> <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><T></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2801-2803' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns an iterator visiting all values associated with the entry.</p>
|
||
<p>Values are iterated in insertion order.</p>
|
||
<h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">new</span>();
|
||
<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
<span class="ident">map</span>.<span class="ident">append</span>(<span class="ident">HOST</span>, <span class="string">"earth"</span>.<span class="ident">parse</span>().<span class="ident">unwrap</span>());
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">iter</span> <span class="op">=</span> <span class="ident">e</span>.<span class="ident">iter</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="string">"world"</span>, <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="string">"earth"</span>, <span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">iter</span>.<span class="ident">next</span>().<span class="ident">is_none</span>());
|
||
}</pre>
|
||
</div><h4 id='method.iter_mut' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T> <span class="where fmt-newline">where<br> T: 'a, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T;</span></code></div></div><span id='iter_mut.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.iter_mut' class='fnname'>iter_mut</a>(&mut self) -> <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><T></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2829-2831' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns an iterator mutably visiting all values associated with the
|
||
entry.</p>
|
||
<p>Values are iterated in insertion order.</p>
|
||
<h1 id="examples-10" class="section-header"><a href="#examples-10">Examples</a></h1>
|
||
<pre class="rust rust-example-rendered">
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">HeaderMap</span>::<span class="ident">default</span>();
|
||
<span class="ident">map</span>.<span class="ident">insert</span>(<span class="ident">HOST</span>, <span class="string">"world"</span>.<span class="ident">to_string</span>());
|
||
<span class="ident">map</span>.<span class="ident">append</span>(<span class="ident">HOST</span>, <span class="string">"earth"</span>.<span class="ident">to_string</span>());
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">Entry</span>::<span class="ident">Occupied</span>(<span class="kw-2">mut</span> <span class="ident">e</span>) <span class="op">=</span> <span class="ident">map</span>.<span class="ident">entry</span>(<span class="string">"host"</span>).<span class="ident">unwrap</span>() {
|
||
<span class="kw">for</span> <span class="ident">e</span> <span class="kw">in</span> <span class="ident">e</span>.<span class="ident">iter_mut</span>() {
|
||
<span class="ident">e</span>.<span class="ident">push_str</span>(<span class="string">"-boop"</span>);
|
||
}
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">values</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_all</span>(<span class="string">"host"</span>);
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">values</span>.<span class="ident">iter</span>();
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="string">"world-boop"</span>, <span class="ident">i</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());
|
||
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="string">"earth-boop"</span>, <span class="ident">i</span>.<span class="ident">next</span>().<span class="ident">unwrap</span>());</pre>
|
||
</div></div>
|
||
<h2 id='implementations' class='small-section-header'>
|
||
Trait Implementations<a href='#implementations' class='anchor'></a>
|
||
</h2>
|
||
<div id='implementations-list'><h3 id='impl-IntoIterator' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, 'b, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a> for &'b <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T> <span class="where fmt-newline">where<br> 'b: 'a, </span></code><a href='#impl-IntoIterator' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2843-2850' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Item' class="type"><span id='Item.t' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T</code></span></h4>
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<div class='docblock'><p>The type of the elements being iterated over.</p>
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</div><h4 id='associatedtype.IntoIter' class="type"><span id='IntoIter.t' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.IntoIter' class="type">IntoIter</a> = <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T></code></span></h4>
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<div class='docblock'><p>Which kind of iterator are we turning this into?</p>
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</div><h4 id='method.into_iter' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T> <span class="where fmt-newline">where<br> T: 'a, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T;</span></code></div></div><span id='into_iter.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#tymethod.into_iter' class='fnname'>into_iter</a>(self) -> <a class="struct" href="../../../actix_web/http/header/struct.ValueIter.html" title="struct actix_web::http::header::ValueIter">ValueIter</a><'a, T></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2847-2849' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
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</div></div><h3 id='impl-IntoIterator-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, 'b, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a> for &'b mut <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T> <span class="where fmt-newline">where<br> 'b: 'a, </span></code><a href='#impl-IntoIterator-1' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2852-2859' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Item-1' class="type"><span id='Item.t-1' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T</code></span></h4>
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<div class='docblock'><p>The type of the elements being iterated over.</p>
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||
</div><h4 id='associatedtype.IntoIter-1' class="type"><span id='IntoIter.t-1' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.IntoIter' class="type">IntoIter</a> = <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></code></span></h4>
|
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<div class='docblock'><p>Which kind of iterator are we turning this into?</p>
|
||
</div><h4 id='method.into_iter-1' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T> <span class="where fmt-newline">where<br> T: 'a, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T;</span></code></div></div><span id='into_iter.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#tymethod.into_iter' class='fnname'>into_iter</a>(self) -> <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2856-2858' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
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</div></div><h3 id='impl-IntoIterator-2' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T></code><a href='#impl-IntoIterator-2' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2834-2841' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Item-2' class="type"><span id='Item.t-2' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T</code></span></h4>
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<div class='docblock'><p>The type of the elements being iterated over.</p>
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</div><h4 id='associatedtype.IntoIter-2' class="type"><span id='IntoIter.t-2' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.IntoIter' class="type">IntoIter</a> = <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></code></span></h4>
|
||
<div class='docblock'><p>Which kind of iterator are we turning this into?</p>
|
||
</div><h4 id='method.into_iter-2' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></h3><code class="content"><span class="where fmt-newline">impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T> <span class="where fmt-newline">where<br> T: 'a, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T;</span></code></div></div><span id='into_iter.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#tymethod.into_iter' class='fnname'>into_iter</a>(self) -> <a class="struct" href="../../../actix_web/http/header/struct.ValueIterMut.html" title="struct actix_web::http::header::ValueIterMut">ValueIterMut</a><'a, T></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#2838-2840' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
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</div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T> <span class="where fmt-newline">where<br> T: 'a + <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, </span></code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#170' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/http/0.1.7/src/http/header/map.rs.html#170' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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</div></div></div>
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<h2 id='synthetic-implementations' class='small-section-header'>
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Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a>
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</h2>
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<div id='synthetic-implementations-list'>
|
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<h3 id='impl-Send' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></code><a href='#impl-Send' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'a, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../../actix_web/http/header/struct.OccupiedEntry.html" title="struct actix_web::http::header::OccupiedEntry">OccupiedEntry</a><'a, T> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></code><a href='#impl-Sync' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../";window.currentCrate = "actix_web";</script><script src="../../../aliases.js"></script><script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html> |