map is:exact -package:text -package:ghc -package:conduit -package:containers -package:charset -package:base-compat-batteries -package:Cabal-syntax -package:incipit-base -package:base-compat -package:base-prelude -package:case-insensitive -package:hedgehog package:monoidal-containers
O(n) Transform this map by applying a function to every value.