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