Method removeCell

classpath/java/util/TreeSet.java:98–113

(Object value)

  }

  private Cell<T> removeCell(Object value) {
    PersistentSet.Path<Cell<T>> p = set.find(new Cell(value, null));
    if (p.fresh()) {
      return null;
    } else {
      Cell<T> old = p.value();

      if (p.value().next != null) {
        set = p.replaceWith(p.value().next);
      } else {
        set = p.remove();
      }

      return old;
    }
  }

  public boolean remove(Object value) {
    return removeCell(value) != null;