public virtual void Remove(EulerTourNode root)
{
if (!_dict.Remove(root))
{
throw new ArgumentException();
}
}
public void Remove(EulerTourNode root) => _count--;
public virtual void Add(EulerTourNode root, ConnVertex vertex)
{
_dict.Add(root, vertex);
}
public void Add(EulerTourNode root, ConnVertex vertex) => _count++;
