Generic Function Find-Vertex-If (2 methods)

( find-vertex-if < thing > < predicate > &key < key > )

Returns the first vertex in `thing` for which the `predicate` function returns non-nil. If the `key` is supplied, then it is applied to the vertex before the predicate is.

Method Summary

find-vertex-if < basic-edge > < T >

find-vertex-if < basic-graph > < T >