an>

    <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
<span class="special">}</span>
</pre>
<p>
        </p>
<p>
          Output:
        </p>
<pre class="programlisting">closure: 1
(open = 0, closed = 1)
</pre>
<h6>
<a name="geometry.reference.core.closure.h5"></a>
          <span class="phrase"><a name="geometry.reference.core.closure.see_also"></a></span><a class="link" href="closure.html#geometry.reference.core.closure.see_also">See
          also</a>
