map -package:containers -package:base -is:exact -package:basement -package:conduit -is:exact -package:hedgehog -package:bytestring -package:incipit-base -package:monoidal-containers -package:regex-tdfa is:exact package:aeson

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