lass="literal-block">
void remove_vertex(vertex_descriptor u, adjacency_list&amp; g);
</pre>
<p>Remove vertex <tt class="docutils literal"><span class="pre">u</span></tt> from the vertex set of the graph. It is assumed
that there are no edges to or from vertex <tt class="docutils literal"><span class="pre">u</span></tt> when it is
removed. One way to make sure of this is to invoke <tt class="docutils literal"><span class="pre">clear_vertex()</span></tt>
beforehand. The vertex <tt class="docutils literal"><s