map -package:containers is:exact -package:blaze-html -package:charset -package:foldl -package:invertible -package:base-compat -package:incipit-base -package:bytestring -package:base-compat-batteries -package:basement -package:imports -package:insert-ordered-containers package:monoidal-containers
O(n) Transform this map by applying a function to every value.