Changed parameter var to nds.var, which always refers to nodes. The edge types are always at "type".
Inclusion of directed nature of edges of type ">" or "+". Now an edge A-->--B is not equal to B-->--A, and A--+--B is not equal to B--+--A.
In contrast, A--=--B is equal to B--=--A.
zoometh
commented
3 years ago
Changed parameter var to nds.var, which always refers to nodes. The edge types are always at "type".
Inclusion of directed nature of edges of type ">" or "+". Now an edge A-->--B is not equal to B-->--A, and A--+--B is not equal to B--+--A. In contrast, A--=--B is equal to B--=--A.