Method leftRotate

classpath/avian/PersistentSet.java:169–174

(Node<T> n)

  }

  private static <T> Node<T> leftRotate(Node<T> n) {
    Node<T> child = new Node(n.right);
    n.right = child.left;
    child.left = n;
    return child;
  }

  private static <T> Node<T> rightRotate(Node<T> n) {
    Node<T> child = new Node(n.left);