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