map -package:containers is:exact -package:base-compat -package:amazonka-core -package:dense-linear-algebra -package:bytestring -package:integration -package:invertible -package:charset -package:case-insensitive package:aeson

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