map is:exact -package:bytestring -package:base -package:imports -package:case-insensitive -package:containers -package:conduit -package:foldl -package:ghc -package:pipes -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.