DoubleLinkedQueueEntry<E> Class / dart:coreimpl Library / Dart API Reference

DoubleLinkedQueueEntry<E> Class

An entry in a doubly linked list. It contains a pointer to the next entry, the previous entry, and the boxed element.

DoubleLinkedQueueEntry(E e) {
  _element = e;
}

void append(E e) {
  new DoubleLinkedQueueEntry<E>(e)._link(this, _next);
}

E get element() {
  return _element;
}

void set element(E e) {
  _element = e;
}

DoubleLinkedQueueEntry<E> nextEntry() {
  return _next._asNonSentinelEntry();
}

void prepend(E e) {
  new DoubleLinkedQueueEntry<E>(e)._link(_previous, this);
}

DoubleLinkedQueueEntry<E> previousEntry() {
  return _previous._asNonSentinelEntry();
}

E remove() {
  _previous._next = _next;
  _next._previous = _previous;
  _next = null;
  _previous = null;
  return _element;
}