evision" class="table-programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">OutputIterator</span><span class="special">&gt;</span>
<span class="keyword">bool</span> <span class="identifier">dot</span><span class="special">(</span><span class="identifier">OutputIterator</span><span class="special">&amp;</span> <span class="identifier">sink</span><span class="special">,</span> <span class="identifier">Num</span> <s