map -package:containers -package:basement -package:conduit -is:exact -package:charset -package:foldl -package:insert-ordered-containers is:exact -package:Cabal-syntax -package:dense-linear-algebra -package:filepath package:aeson

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