map -package:containers -package:charset -package:Cabal-syntax -package:conduit -package:bytestring -package:psqueues -package:base-compat -package:base -is:exact -package:dlist -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.