map -package:containers -package:charset -package:base-compat -package:conduit -package:amazonka-core -package:Cabal-syntax -package:incipit-base -package:insert-ordered-containers -package:foldl -package:basement -package:invertible is:exact package:aeson

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