map -package:containers -package:blaze-html -package:charset -package:invertible -package:monoidal-containers -package:base -package:conduit -package:imports -package:filepath -package:insert-ordered-containers is:exact package:aeson

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