map is:exact -package:conduit -package:basement -package:base-prelude -package:blaze-html -package:containers -package:invertible -package:os-string -package:charset -package:Cabal-syntax -package:monoidal-containers -package:regex-tdfa -package:imports -package:dense-linear-algebra -package:base package:aeson

Map a function over all values in the map.