map -package:containers is:exact -package:basement -package:base-prelude -package:invertible -package:insert-ordered-containers -package:charset -package:monoidal-containers -package:conduit -package:case-insensitive -package:dlist -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.