Generic Function Has-Parent-P (1 method)

( has-parent-p < vertex > )

Part of:

package cl-graph

In a directed graph, returns true if vertex has any
edges that point from some other vertex to this
vertex (cf. iterate-source-edges). In an undirected graph,
has-parent-p is testing only whether or not the vertex has any

Method Summary

has-parent-p < graph-container-vertex