map is:exact -package:text -package:charset -package:conduit -package:foldl -package:bytestring -package:dlist -package:invertible -package:basement -package:base-compat -package:os-string -package:base-compat-batteries -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.