public BinNode(TKey key, TValue value, BinNode <TKey, TValue> leftNode, BinNode <TKey, TValue> rightNode) { _right = rightNode; _left = leftNode; Key = key; Element = value; }
public BinNode() { _right = _left = null; }
public BinNode(TKey key, TValue value) { _right = _left = null; Key = key; Element = value; }