map -package:containers -package:charset -package:amazonka-core -package:basement -package:invertible -package:ghc is:exact -package:case-insensitive -package:dlist -package:filepath -package:dense-linear-algebra package:aeson

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