package graph;

/**
 * Created with MONSTER.
 * User: xgiovio
 * Date: 20/05/2014
 * Time: 19:59
 */
public interface DirectedGraph<V, E> extends  Graph<V,E>{
    public boolean isDirected(Edge<E> e);
    public Edge<E> insertDirectedEdge(Vertex<V> u, Vertex<V> v, V o);
}