map -package:containers is:exact -package:basement -package:base-prelude -package:dense-linear-algebra -package:invertible -package:conduit -package:charset -package:foldl -package:blaze-html -package:monoidal-containers -package:regex-tdfa package:aeson

map :: (a -> b) -> KeyMap a -> KeyMap b
aeson Data.Aeson.KeyMap
Map a function over all values in the map.