public void AddPair(Vertex <T> first, Vertex <T> second, int weight)
{
var we = new WeightedEdge <T>(first, second, weight);
first.AddEdge(we);
second.AddEdge(we);
AddToList(first);
AddToList(second);
AddNeighbors(first, second);
}
public void AddEdge(WeightedEdge <T> edge)
{
WeightedEdges.Add(edge);
}