// returns true if the value was inserted, false if the value already existed in the tree
public bool Insert(T value)
{
RBTree.Node n = new Node(value);
return(tree.Intern(value, n) == n);
}
// returns true if the value was inserted, false if the value already existed in the tree
public bool Insert(T value)
{
RBTree.Node n = new Node(value);
return(tree.Intern(value, n) == n);
}