map is:exact -package:text -package:containers -package:charset -package:foldl -package:monoidal-containers -package:basement -package:imports -package:base-compat -package:pipes -package:bytestring -package:insert-ordered-containers -package:base 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.