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