How to use

of

method

in

javaslang.collection.Queue

/**
 * A persistent data structure does preserve the previous version of itself when being modified and is therefore effectively immutable. Fully persistent data structures allow both updates and queries on any version.
 *
 */
private void createCollection() {
  System.out.println();
  System.out.println("createList");
  List<Integer> list1 = List.of(1, 2, 3);
  System.out.println(list1); // print List(1, 2, 3)
  List<Integer> list2 = list1.tail().prepend(0);
  System.out.println(list2); // print List(0, 2, 3)
  System.out.println();
  System.out.println("createQueue");
  Queue<Integer> queue = Queue.of(1, 2, 3)
      .enqueue(4)
      .enqueue(5);
  System.out.println(queue); // print Queue(1, 2, 3, 4, 5)
}