map -package:containers -package:blaze-html -is:exact -package:insert-ordered-containers -package:basement -package:regex-tdfa -is:exact -package:monoidal-containers -package:charset is:exact -package:bytestring package:aeson

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