ription</h2>
<div class="textblock"><p>This iterator goes trough the <em>outgoing</em> directed arcs of a certain node of a graph. Its usage is quite simple, for example, you can count the number of outgoing arcs of a node <code>n</code> in a graph <code>g</code> of type <code>BpGraph</code> as follows. </p>
<div class="fragment"><div class="line">*  <span class="keywordtype">int</span> count=0;</div>
<div class="line">*  <span class="keywordflow">for</span> (Digraph::OutArcIt a(g, n); a!=<a class="code" hr