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<h2><span class="refentrytitle">Type definition expression_ref</span></h2>
<p>expression_ref</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: <<a class="link" href="../../yap/reference.html#header.boost.yap.algorithm_fwd_hpp" title="Header <boost/yap/algorithm_fwd.hpp>">boost/yap/algorithm_fwd.hpp</a>>
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<span class="keyword">typedef</span> <span class="identifier">expr_template</span><span class="special"><</span> <span class="identifier">expr_kind</span><span class="special">::</span><span class="identifier">expr_ref</span><span class="special">,</span> <span class="identifier">hana</span><span class="special">::</span><span class="identifier">tuple</span><span class="special"><</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">remove_reference_t</span><span class="special"><</span> <span class="identifier">T</span> <span class="special">></span> <span class="special">*</span> <span class="special">>></span> <span class="identifier">expression_ref</span><span class="special">;</span></pre></div>
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<a name="id-1.3.48.8.2.3.10.4"></a><h2>Description</h2>
<p>A convenience alias for a reference expression holding an expression <span class="emphasis"><em>T</em></span>, instantiated from expression template <span class="emphasis"><em>expr_template</em></span>. </p>
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