map is:exact -package:lens -package:dlist -package:bytestring -package:conduit -package:basement -package:blaze-html -package:filepath -package:monoidal-containers -package:base-compat -package:Cabal-syntax -package:integration 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.