internal NodeEnumerator(RBTree tree, Stack <RBTree.Node> init_pennants)
{
this = new RBTree.NodeEnumerator(tree);
this.init_pennants = init_pennants;
}
internal Enumerator(SortedDictionary <TKey, TValue> dic)
{
this = new SortedDictionary <TKey, TValue> .Enumerator();
this.host = dic.tree.GetEnumerator();
}
internal NodeEnumerator(RBTree tree)
{
this = new RBTree.NodeEnumerator();
this.tree = tree;
this.version = tree.version;
}
