[Boost-users] [BGL] Edge descriptors for parallel edges

From: Slava (slaks2005_at_[hidden])
Date: 2005-11-10 13:12:02

Say, i have the following structure for edge bundle properties

struct EdgeProperty
{
  int edge_type;
}

and i can add parallel edges, that is between vertices u and v cab be several 
edges with bundle property EdgeProperty with different edge_types.

the first question how can i use edge(u,v,graph) function if it returns 
std::pair <edge_descriptor,bool>, only one descriptor? but i have several 
descriptors between two vertices.

second, how to change the edge_type provided that i got edge_descriptor from 
edge(u,v,graph)

Thanks.