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<div class="sidebar-menu">☰</div>
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<p class='location'>Struct EntityTag</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.weak">weak</a></div><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.weak">weak</a><a href="#method.strong">strong</a><a href="#method.tag">tag</a><a href="#method.set_tag">set_tag</a><a href="#method.strong_eq">strong_eq</a><a href="#method.weak_eq">weak_eq</a><a href="#method.strong_ne">strong_ne</a><a href="#method.weak_ne">weak_ne</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Debug">Debug</a><a href="#impl-Eq">Eq</a><a href="#impl-PartialEq">PartialEq</a><a href="#impl-Display">Display</a><a href="#impl-FromStr">FromStr</a></div></div><p class='location'><a href='../index.html'>hyper</a>::<wbr><a href='index.html'>header</a></p><script>window.sidebarCurrent = {name: 'EntityTag', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>hyper</a>::<wbr><a href='index.html'>header</a>::<wbr><a class="struct" href=''>EntityTag</a></span><span class='out-of-band'><span id='render-detail'>
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<a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">
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[<span class='inner'>−</span>]
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</a>
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</span><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#44-49' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct EntityTag {
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pub weak: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>,
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// some fields omitted
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}</pre><div class='docblock'><p>An entity tag, defined in <a href="https://tools.ietf.org/html/rfc7232#section-2.3">RFC7232</a></p>
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<p>An entity tag consists of a string enclosed by two literal double quotes.
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Preceding the first double quote is an optional weakness indicator,
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which always looks like <code>W/</code>. Examples for valid tags are <code>"xyzzy"</code> and <code>W/"xyzzy"</code>.</p>
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<h1 id="abnf" class="section-header"><a href="#abnf">ABNF</a></h1>
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<pre><code class="language-text">entity-tag = [ weak ] opaque-tag
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weak = %x57.2F ; "W/", case-sensitive
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opaque-tag = DQUOTE *etagc DQUOTE
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etagc = %x21 / %x23-7E / obs-text
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; VCHAR except double quotes, plus obs-text
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</code></pre>
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<h1 id="comparison" class="section-header"><a href="#comparison">Comparison</a></h1>
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<p>To check if two entity tags are equivalent in an application always use the <code>strong_eq</code> or
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<code>weak_eq</code> methods based on the context of the Tag. Only use <code>==</code> to check if two tags are
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identical.</p>
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<p>The example below shows the results for a set of entity-tag pairs and
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both the weak and strong comparison function results:</p>
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<table><thead><tr><th> ETag 1 </th><th> ETag 2 </th><th> Strong Comparison </th><th> Weak Comparison </th></tr></thead><tbody>
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<tr><td> <code>W/"1"</code> </td><td> <code>W/"1"</code> </td><td> no match </td><td> match </td></tr>
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<tr><td> <code>W/"1"</code> </td><td> <code>W/"2"</code> </td><td> no match </td><td> no match </td></tr>
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<tr><td> <code>W/"1"</code> </td><td> <code>"1"</code> </td><td> no match </td><td> match </td></tr>
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<tr><td> <code>"1"</code> </td><td> <code>"1"</code> </td><td> match </td><td> match </td></tr>
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</tbody></table>
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</div><h2 id='fields' class='fields small-section-header'>
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Fields<a href='#fields' class='anchor'></a></h2><span id="structfield.weak" class="structfield small-section-header">
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<a href="#structfield.weak" class="anchor field"></a>
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<span id="weak.v" class='invisible'>
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<code>weak: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code>
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</span></span><div class='docblock'><p>Weakness indicator for the tag</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'><code>impl <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#51-109' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><code>pub fn <a href='#method.new' class='fnname'>new</a>(weak: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, tag: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#55-58' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Constructs a new EntityTag.</p>
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<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
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<p>If the tag contains invalid characters.</p>
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</div><h4 id='method.weak' class="method"><span id='weak.v-1' class='invisible'><code>pub fn <a href='#method.weak' class='fnname'>weak</a>(tag: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#63-65' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Constructs a new weak EntityTag.</p>
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<h1 id="panics-1" class="section-header"><a href="#panics-1">Panics</a></h1>
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<p>If the tag contains invalid characters.</p>
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</div><h4 id='method.strong' class="method"><span id='strong.v' class='invisible'><code>pub fn <a href='#method.strong' class='fnname'>strong</a>(tag: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>) -> <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#70-72' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Constructs a new strong EntityTag.</p>
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<h1 id="panics-2" class="section-header"><a href="#panics-2">Panics</a></h1>
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<p>If the tag contains invalid characters.</p>
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</div><h4 id='method.tag' class="method"><span id='tag.v' class='invisible'><code>pub fn <a href='#method.tag' class='fnname'>tag</a>(&self) -> &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#75-77' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Get the tag.</p>
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</div><h4 id='method.set_tag' class="method"><span id='set_tag.v' class='invisible'><code>pub fn <a href='#method.set_tag' class='fnname'>set_tag</a>(&mut self, tag: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#82-85' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Set the tag.</p>
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<h1 id="panics-3" class="section-header"><a href="#panics-3">Panics</a></h1>
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<p>If the tag contains invalid characters.</p>
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</div><h4 id='method.strong_eq' class="method"><span id='strong_eq.v' class='invisible'><code>pub fn <a href='#method.strong_eq' class='fnname'>strong_eq</a>(&self, other: &<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#89-91' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>For strong comparison two entity-tags are equivalent if both are not weak and their
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opaque-tags match character-by-character.</p>
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</div><h4 id='method.weak_eq' class="method"><span id='weak_eq.v' class='invisible'><code>pub fn <a href='#method.weak_eq' class='fnname'>weak_eq</a>(&self, other: &<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#96-98' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>For weak comparison two entity-tags are equivalent if their
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opaque-tags match character-by-character, regardless of either or
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both being tagged as "weak".</p>
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</div><h4 id='method.strong_ne' class="method"><span id='strong_ne.v' class='invisible'><code>pub fn <a href='#method.strong_ne' class='fnname'>strong_ne</a>(&self, other: &<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#101-103' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>The inverse of <code>EntityTag.strong_eq()</code>.</p>
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</div><h4 id='method.weak_ne' class="method"><span id='weak_ne.v' class='invisible'><code>pub fn <a href='#method.weak_ne' class='fnname'>weak_ne</a>(&self, other: &<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#106-108' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>The inverse of <code>EntityTag.weak_eq()</code>.</p>
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</div></div>
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<h2 id='implementations' class='small-section-header'>
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Trait Implementations<a href='#implementations' class='anchor'></a>
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</h2>
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<h3 id='impl-Clone' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl-Clone' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
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</div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#112-114' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
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</div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><code>impl <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="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl-Debug' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, __arg_0: &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="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h4>
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<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><h3 id='impl-Eq' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl-Eq' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'></div><h3 id='impl-PartialEq' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl-PartialEq' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.eq' class="method"><span id='eq.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, __arg_0: &<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
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</div><h4 id='method.ne' class="method"><span id='ne.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, __arg_0: &<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#43' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>This method tests for <code>!=</code>.</p>
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</div></div><h3 id='impl-Display' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl-Display' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#111-119' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.fmt-1' class="method"><span id='fmt.v-1' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.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="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#112-118' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
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</div></div><h3 id='impl-FromStr' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a> for <a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a></code><a href='#impl-FromStr' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#121-142' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='associatedtype.Err' class="type"><span id='Err.t' class='invisible'><code>type <a href='https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err' class="type">Err</a> = <a class="enum" href="../../hyper/error/enum.Error.html" title="enum hyper::error::Error">Error</a></code></span></h4>
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<div class='docblock'><p>The associated error which can be returned from parsing.</p>
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</div><h4 id='method.from_str' class="method"><span id='from_str.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#tymethod.from_str' class='fnname'>from_str</a>(s: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="type" href="../../hyper/error/type.Result.html" title="type hyper::error::Result">Result</a><<a class="struct" href="../../hyper/header/struct.EntityTag.html" title="struct hyper::header::EntityTag">EntityTag</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/hyper/header/shared/entity.rs.html#123-141' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Parses a string <code>s</code> to return a value of this type. <a href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#tymethod.from_str">Read more</a></p>
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</div></div></section>
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Search functions by type signature (e.g.
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