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  26 <a name="boost.compute.hash"></a><div class="titlepage"></div>
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  28 <h2><span class="refentrytitle">Struct template hash</span></h2>
  29 <p>boost::compute::hash</p>
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  31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  32 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../boost_compute/reference.html#header.boost.compute.functional.hash_hpp" title="Header &lt;boost/compute/functional/hash.hpp&gt;">boost/compute/functional/hash.hpp</a>&gt;
  33
  34 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Key<span class="special">&gt;</span>
  35 <span class="keyword">struct</span> <a class="link" href="hash.html" title="Struct template hash">hash</a> <span class="special">{</span>
  36 <span class="special">}</span><span class="special">;</span></pre></div>
  37 <div class="refsect1">
  38 <a name="idm46113322542752"></a><h2>Description</h2>
  39 <p>The hash function returns a hash value for the input value.</p>
  40 <p>The return type is <code class="computeroutput">ulong_</code> (the OpenCL unsigned long type). </p>
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