map is:exact -package:containers -package:bytestring -package:foldl -package:imports -package:base-compat -package:hedgehog -package:ghc -package:invertible -package:conduit -package:aeson 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.