operty map type for a specific property (specified
by <tt>vertex_index_t</tt>, one of the BGL predefined properties) and function
call <tt>get(vertex_index, g)</tt> returns the actual property map object.
<p>&nbsp;
<pre>
  // ...
  int main(int,char*[])
  {
    // ...

    typedef graph_traits&lt;Graph&gt;::vertex_descriptor Vertex;

    // get the property map for vertex indices
    typedef property_map&lt;Graph, vertex_index_t&gt;::type IndexMap;
    IndexMap index = get(vertex_index, g);

    std::cout &