addFirst method
- E value
override
Adds value at the beginning of the queue.
Implementation
void addFirst(E value) {
_sentinel._append(value, this);
_elementCount++;
}© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-collection/DoubleLinkedQueue/addFirst.html