Generic Function Add-Vertex (3 methods)

( add-vertex < graph > < value-or-vertex > &key < if-duplicate-do > &allow-other-keys )

Part of:

package cl-graph

Adds a vertex to a graph. If called with a vertex,
then this vertex is added. If called with a value, then a new vertex
is created to hold the value. If-duplicate-do can be one
of :ignore, :force, :replace, :replace-value or a function. The
default is :ignore.

Method Summary

add-vertex :before < basic-graph > < basic-vertex > 
add-vertex < basic-graph > < basic-vertex > 
add-vertex < basic-graph > < t >