If someone extends the default vertex implementation, then there should be a
way to access the edge map directly. This has to return an option, because not
every vertex implementation is guaranteed to store outgoing edges this way.
Original issue reported on code.google.com by philip.stutz on 10 Oct 2011 at 1:00
Original issue reported on code.google.com by
philip.stutz
on 10 Oct 2011 at 1:00