map -package:containers -package:dlist -package:conduit -package:charset -is:exact -package:invertible -package:hedgehog -package:case-insensitive -package:imports -package:integration -package:ghc is:exact package:aeson

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