Alternatively, you could specify you our own edge names when creating the edges. As long as there is only a single edge in each direction between each pair of vertices, the following should work:
:digraph.add_edge(g, {from, to}, from, to, [])
Alternatively, you could specify you our own edge names when creating the edges. As long as there is only a single edge in each direction between each pair of vertices, the following should work:
:digraph.add_edge(g, {from, to}, from, to, [])