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/Dart 2

addFirst method

void addFirst (E value)

Adds value at the beginning of the queue.

Implementation

void addFirst(E value) {
  _sentinel._append(value);
  _elementCount++;
}

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/DoubleLinkedQueue/addFirst.html