map -package:containers -package:bytestring -package:Cabal-syntax -package:integration -package:blaze-html -is:exact -package:insert-ordered-containers -package:dlist -package:incipit-base -package:charset -is:exact -package:base-prelude package:monoidal-containers -is:exact is:exact
O(n) Transform this map by applying a function to every value.