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<title>Struct template is_reference_wrapper</title>
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<h2><span class="refentrytitle">Struct template is_reference_wrapper</span></h2>
<p>boost::is_reference_wrapper &#8212; Determine if a type <code class="computeroutput">T</code> is an instantiation of <code class="computeroutput"><a class="link" href="reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a></code>. </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<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="../core/ref.html#header.boost.core.ref_hpp" title="Header &lt;boost/core/ref.hpp&gt;">boost/core/ref.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="is_reference_wrapper.html" title="Struct template is_reference_wrapper">is_reference_wrapper</a> <span class="special">{</span>

  <span class="comment">// <a class="link" href="is_reference_wrapper.html#idm45818739672016-bb">public member functions</a></span>
   <a class="link" href="is_reference_wrapper.html#idm45818739671456-bb"><span class="identifier">BOOST_STATIC_CONSTANT</span></a><span class="special">(</span><span class="keyword">bool</span><span class="special">,</span> <span class="identifier">value</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
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<a name="idm46687073681552"></a><h2>Description</h2>
<p>The value static constant will be true if the type <code class="computeroutput">T</code> is a specialization of <code class="computeroutput"><a class="link" href="reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a></code>. </p>
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<a name="idm46687073678912"></a><h3>
<a name="idm45818739672016-bb"></a><code class="computeroutput">is_reference_wrapper</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"> <a name="idm45818739671456-bb"></a><span class="identifier">BOOST_STATIC_CONSTANT</span><span class="special">(</span><span class="keyword">bool</span><span class="special">,</span> <span class="identifier">value</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span><span class="special">;</span></pre></li></ol></div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2014 Peter Dimov<br>Copyright &#169; 2014 Glen Fernandes<br>Copyright &#169; 2014 Andrey Semashev<p>
        Distributed under the <a href="http://boost.org/LICENSE_1_0.txt" target="_top">Boost
        Software License, Version 1.0</a>.
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