map is:exact -package:text -package:conduit -package:basement -package:foldl -package:ghc -package:charset -package:containers -package:pipes -package:hedgehog -package:invertible -package:bytestring package:psqueues

O(n) Modify every value in the queue.
O(n) Modify every value in the queue.
O(n) Modify every value in the queue.