logical_not</span></h2>
<p>boost::proto::logical_not &#8212; A metafunction for generating logical_not expression types, 
          a grammar element for matching logical_not expressions, and 
          a <a class="link" href="../../PrimitiveTransform.html" title="Concept PrimitiveTransform">PrimitiveTransform</a> that dispatches to the 
          <code class="computeroutput"><a class="link" href="pass_through.html" title="Struct template pass_through">proto::pass_through&lt;&gt;</a></code>
          transf