map is:exact -package:bytestring -package:conduit -package:dense-linear-algebra -package:invertible -package:basement -package:containers -package:hedgehog -package:filepath -package:ghc -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.