| 631 | |
| 632 | template <typename VP, typename EP> |
| 633 | typename DirectedGraph<VP, EP>::edges_size_type |
| 634 | num_edges(const DirectedGraph<VP, EP>& g) |
| 635 | { |
| 636 | return g.num_edges(); |
| 637 | } |
| 638 | |
| 639 | template <typename VP, typename EP> |
| 640 | std::pair<typename DirectedGraph<VP, EP>::edge_iterator, |