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