t;typename T, typename TRAITS = voronoi_diagram_traits&lt;T&gt; &gt;</span><br
 style="font-family: Courier New,Courier,monospace;">
      <span style="font-family: Courier New,Courier,monospace;">class
voronoi_diagram;<br>
      </span><font face="Courier New"><span
 style="font-family: 'Courier New',Courier,monospace;"><br>
T</span></font>
- the coordinate type of the Voronoi vertices.<br>
      <span style="font-family: Courier New,Courier,monospace;">TRAITS</span><font
 face="Courier New"><span
 style="