ometry</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">closure</span>
<span class="special">{</span>
  <span class="comment">// ...</span>
<span class="special">};</span>
</pre>
<p>
        </p>
<h6>
<a name="geometry.reference.core.closure.h1"></a>
          <span class="phrase"><a name="geometry.reference.core.closure.template_parameter_s_"></a></span><a class="link" href="closure.html#geometry.reference.core.closure.template_parameter_s_">Template
    