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26 <a name="boost.histogram.weight_type"></a><div class="titlepage"></div>
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28 <h2><span class="refentrytitle">Struct template weight_type</span></h2>
29 <p>boost::histogram::weight_type — Weight holder and type envelope. </p>
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: <<a class="link" href="../../histogram/reference.html#header.boost.histogram.weight_hpp" title="Header <boost/histogram/weight.hpp>">boost/histogram/weight.hpp</a>>
34 </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span>
35 <span class="keyword">struct</span> <a class="link" href="weight_type.html" title="Struct template weight_type">weight_type</a> <span class="special">{</span>
37 <span class="comment">// <a class="link" href="weight_type.html#idm45414524003360-bb">public member functions</a></span>
38 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> <a class="link" href="weight_type.html#idm45414524002800-bb"><span class="keyword">operator</span> <span class="identifier">weight_type</span><span class="special"><</span> <span class="identifier">U</span> <span class="special">></span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
40 <span class="comment">// public data members</span>
41 <span class="identifier">T</span> <span class="identifier">value</span><span class="special">;</span> <span class="comment">// Access underlying value. </span>
42 <span class="special">}</span><span class="special">;</span></pre></div>
43 <div class="refsect1">
44 <a name="idm45212141725920"></a><h2>Description</h2>
45 <p>You should not construct these directly, use the weight() helper function.</p>
48 <div class="refsect2">
49 <a name="idm45212141724992"></a><h3>
50 <a name="idm45414524003360-bb"></a><code class="computeroutput">weight_type</code> public member functions</h3>
51 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
52 <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> <a name="idm45414524002800-bb"></a><span class="keyword">operator</span> <span class="identifier">weight_type</span><span class="special"><</span> <span class="identifier">U</span> <span class="special">></span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Allow implicit conversions of types when the underlying value type allows them. </li></ol></div>
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