map is:exact -package:lens -package:bytestring -package:basement -package:conduit -package:integration -package:dlist -package:base-compat-batteries -package:invertible -package:os-string -package:pipes -package:blaze-html 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.