UndirectedEdge Connect(Node other, string type)
{
UndirectedEdge _edge = new UndirectedEdge(type, this, other);
edges.Add(_edge);
other.edges.Add(_edge);
return(_edge);
}
UndirectedEdge Connect(Node aNode, string type, Node bNode)
{
ensureContainment(aNode);
ensureContainment(bNode);
UndirectedEdge _edge = aNode.Connect(bNode, type);
if (!edges.Contains(_edge))
{
edges.Add(_edge);
}
return(_edge);
}