attachToParent(node, node.left); } else { attachNullToParent(node); attachNullToParent(toMoveUp); } else { attachToParent(toMoveUp, toMoveUp.right);
attachToParent(node, node.left); } else { attachNullToParent(node); attachNullToParent(toMoveUp); } else { attachToParent(toMoveUp, toMoveUp.right);