CGAL 6.1.1 - CGAL and the Boost Graph Library

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List of all members | Related Functions
EdgeListGraph Concept Reference
Reference Manual » Concepts

## Definition

Concept from the Boost Graph Library. See https://www.boost.org/libs/graph/doc/EdgeListGraph.html.

The concept `EdgeListGraph` refines the concept `Graph` and adds the requirement for traversal of all edges in a graph.

Refines
  `` Graph

Has models
  See Boost Graph Traits Specializations

See also
  Graph Concepts

## Related Functions
(Note that these are not member functions.)
template<typename EdgeListGraph >
std::pair< boost::graph_traits< EdgeListGraph >::edge_iterator, boost::graph_traits< EdgeListGraph >::edge_iterator > | edges (const EdgeListGraph &g)
| returns an iterator range over all edges.
template<typename EdgeListGraph >
boost::graph_traits< EdgeListGraph >::edges_size_type | num_edges (const EdgeListGraph &g)
| returns an upper bound of the number of edges of the graph.
template<typename EdgeListGraph >
boost::graph_traits< EdgeListGraph >::vertex_descriptor | source (boost::graph_traits< EdgeListGraph >::edge_descriptor e, const EdgeListGraph &g)
| returns the source vertex of `e`.
template<typename EdgeListGraph >
boost::graph_traits< EdgeListGraph >::vertex_descriptor | target (boost::graph_traits< EdgeListGraph >::edge_descriptor e, const EdgeListGraph &g)
| returns the target vertex of `e`.

## Friends And Related Function Documentation

## ◆ num_edges()

template<typename EdgeListGraph >

boost::graph_traits< EdgeListGraph >::edges_size_type num_edges | ( | const EdgeListGraph & | g | ) |
| related

returns an upper bound of the number of edges of the graph.

Attention
  `num_edges()` may return a number larger than `std::distance(edges(g).first, edges(g).second)`. This is the case for implementations only marking edges deleted in the edge container.