map is:exact -package:text -package:containers -package:charset -package:foldl -package:invertible -package:aeson -package:conduit -package:filepath -package:hedgehog -package:base -package:ghc 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.