map -package:containers -package:bytestring -package:incipit-base -package:monoidal-containers -is:exact is:exact -package:amazonka-core -package:charset -package:foldl -package:basement -package:base -package:psqueues package:aeson

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