1. Dart
  2. dart:collection
  3. DoubleLinkedQueue<E>
  4. removeFirst method

removeFirst method

E removeFirst ()
override

Removes and returns the first element of this queue.

The queue must not be empty when this method is called.

Implementation

E removeFirst() {
  _DoubleLinkedQueueEntry<E> firstEntry = _sentinel._nextLink;
  E result = firstEntry._remove();
  _elementCount--;
  return result;
}