map is:exact -package:aeson -package:containers -package:ghc -package:bytestring -package:foldl -package:integration -package:case-insensitive -package:charset -package:invertible -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.