Method rightRotate

classpath/avian/PersistentSet.java:176–181

(Node<T> n)

  }

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

  public PersistentSet<T> remove(T value) {
    Path<T> p = find(value);