Appends the given e as entry just after this entry.
void append(E e) {
  DoubleLinkedQueueEntry<E>(e)._link(this, _nextLink);
}
    © 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
    https://api.dart.dev/stable/2.5.0/dart-collection/DoubleLinkedQueueEntry/append.html