use vars
qw($VERSION @ISA);
@ISA = qw(Graph::Directed Graph::Base);
This is just a front-end class for Graph::Directed and Graph::Base.
Instantiated Graph objects (like $g in the the above description)
are in fact Graph::Base objects in disguise, look there for the
methods available. If you want undirected graphs, create Graph::Undirected
Copyright 1999, O'Reilly & Associates.
This code is distributed under the same copyright terms as Perl itself.