map -package:containers -is:exact -package:foldl -package:basement -package:invertible -package:charset -package:conduit -package:hedgehog -package:bytestring -is:exact package:psqueues -is:exact is:exact
O(n) Modify every value in the queue.
O(n) Modify every value in the queue.
O(n) Modify every value in the queue.