| edge-class {giRaph} | R Documentation |
Virtual Class for all edges
A virtual Class: No objects may be created from it.
signature(x = "edge", y = "edge"):
always returns FALSE, implementing the idea that two edges of different kind are never the sameJens Henrik Badsberg, Claus Dethlefsen, Luca La Rocca
undirectedEdge-class,
directedEdge-class and
edgeList-class.