Iterate through the edges of this graph. */
| 494 | |
| 495 | /** Iterate through the edges of this graph. */ |
| 496 | std::pair<edge_iterator, edge_iterator> edges() const |
| 497 | { |
| 498 | std::pair<vertex_iterator, vertex_iterator> vit = vertices(); |
| 499 | return make_pair(edge_iterator(this, vit.first), |
| 500 | edge_iterator(this, vit.second)); |
| 501 | } |
| 502 | |
| 503 | /** Return the edge (u,v) if it exists and a flag indicating |
| 504 | * whether the edge exists. |
no test coverage detected