<span class="special">}</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
-<a name="idp565870528"></a><h2>Description</h2>
+<a name="idp478194192"></a><h2>Description</h2>
<p>
Use <code class="computeroutput">proto::unary_expr<<a class="link" href="_.html" title="Struct _">proto::_</a>, <a class="link" href="_.html" title="Struct _">proto::_</a>></code>
as a grammar element to match any unary expression.