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<h1 class='fqn'><span class='in-band'>Trait <a href='../../index.html'>bitflags</a>::<wbr><a href='../index.html'>__core</a>::<wbr><a href='index.html'>hash</a>::<wbr><a class='trait' href=''>BuildHasher</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a id='src-33932' class='srclink' href='https://doc.rust-lang.org/nightly/core/hash/trait.BuildHasher.html?gotosrc=33932' title='goto source code'>[src]</a></span></h1>
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<pre class='rust trait'>pub trait BuildHasher {
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type <a href='#associatedtype.Hasher' class='type'>Hasher</a>: <a class='trait' href='../../../bitflags/__core/hash/trait.Hasher.html' title='bitflags::__core::hash::Hasher'>Hasher</a>;
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fn <a href='#tymethod.build_hasher' class='fnname'>build_hasher</a>(&self) -> Self::<a class='trait' href='../../../bitflags/__core/hash/trait.BuildHasher.html' title='bitflags::__core::hash::BuildHasher'>Hasher</a>;
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}</pre><div class='docblock'><p>A <code>BuildHasher</code> is typically used as a factory for instances of <code>Hasher</code>
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which a <code>HashMap</code> can then use to hash keys independently.</p>
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<p>Note that for each instance of <code>BuildHasher</code>, the created hashers should be
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identical. That is, if the same stream of bytes is fed into each hasher, the
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same output will also be generated.</p>
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<h2 id='associated-types'>Associated Types</h2>
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<h3 id='associatedtype.Hasher' class='method stab '><code>type <a href='#associatedtype.Hasher' class='type'>Hasher</a>: <a class='trait' href='../../../bitflags/__core/hash/trait.Hasher.html' title='bitflags::__core::hash::Hasher'>Hasher</a></code></h3><div class='docblock'><p>Type of the hasher that will be created.</p>
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<h3 id='tymethod.build_hasher' class='method stab '><code>fn <a href='#tymethod.build_hasher' class='fnname'>build_hasher</a>(&self) -> Self::<a class='trait' href='../../../bitflags/__core/hash/trait.BuildHasher.html' title='bitflags::__core::hash::BuildHasher'>Hasher</a></code></h3><div class='docblock'><p>Creates a new hasher.</p>
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<h2 id='implementors'>Implementors</h2>
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<ul class='item-list' id='implementors-list'>
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<li><code>impl BuildHasher for <a class='struct' href='../../../bitflags/__core/collections/hash_map/struct.RandomState.html' title='bitflags::__core::collections::hash_map::RandomState'>RandomState</a></code></li>
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<li><code>impl<H> BuildHasher for <a class='struct' href='../../../bitflags/__core/hash/struct.BuildHasherDefault.html' title='bitflags::__core::hash::BuildHasherDefault'>BuildHasherDefault</a><H> <span class='where'>where H: <a class='trait' href='../../../bitflags/__core/default/trait.Default.html' title='bitflags::__core::default::Default'>Default</a> + <a class='trait' href='../../../bitflags/__core/hash/trait.Hasher.html' title='bitflags::__core::hash::Hasher'>Hasher</a></span></code></li>
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