ctions</h3>
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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <a class="link" href="../../../Expr.html" title="Concept Expr">Expr</a><span class="special">&gt;</span> 
  <span class="keyword">typename</span> <a class="link" href="../result_of/value.html" title="Struct template value">proto::result_of::value</a><span class="special">&lt;</span> 