od also works for
<TT>std::vector::iterator</TT>. The complete source code for this
example is in <a
href="../example/city_visitor.cpp"><TT>example/city_visitor.cpp</TT></a>.

<P>
<PRE>
// Definition of city_visitor omitted...

int main(int,char*[])
{
  enum { SanJose, SanFran, LA, SanDiego, Fresno, LosVegas, Reno,
         Sacramento, SaltLake, Pheonix, N };

  // An array of vertex name properties
  std::string names[] = { &quot;San Jose&quot;, &quot;San Francisco&quot;,  &quot;San Jose&quot;,
           