map -package:containers -package:base -package:insert-ordered-containers -package:incipit-base -package:basement -package:monoidal-containers is:exact -package:charset -package:foldl -package:invertible -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.