map is:exact -package:text -package:containers -package:bytestring -package:aeson -package:invertible -package:filepath -package:basement -package:charset -package:imports -package:ghc -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.