map -package:containers -package:base-compat -package:dlist -package:charset -package:conduit -package:incipit-base -package:filepath -package:monoidal-containers -package:hedgehog is:exact -package:bytestring package:aeson

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