namespace Opus6
{
    using System;
    using System.Collections;

    [Copyright("Copyright (c) 2001 by Bruno R. Preiss, P.Eng."), Version("$Id: Digraph.cs,v 1.3 2001/09/11 12:04:04 brpreiss Exp $")]
    public interface Digraph : Graph, Container, IComparable, IEnumerable
    {
        void TopologicalOrderTraversal(Visitor visitor);

        bool IsStronglyConnected { get; }

    }
}