edu.knowitall.collection.immutable.graph
an edge with a direction. This is useful for representing paths that go up edges as well as down edges. It is also useful for considering all edges from a vertex at once but still having the information of whether the edges go up or down.
an edge with a direction. This is useful for representing paths that go up edges as well as down edges. It is also useful for considering all edges from a vertex at once but still having the information of whether the edges go up or down.