map -package:containers -package:charset -package:invertible -package:monoidal-containers -package:aeson -package:bytestring -package:basement -package:pipes -package:conduit is:exact -package:foldl 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.