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