map is:exact -package:conduit -package:containers -package:imports -package:basement -package:bytestring -package:filepath -package:aeson -package:Cabal-syntax -package:charset -package:pipes -package:dlist 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.