map -package:containers -package:insert-ordered-containers -package:integration -package:monoidal-containers -package:bytestring is:exact -package:foldl -package:hedgehog -package:blaze-html -package:invertible package:aeson

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