map -package:containers -package:base-prelude -package:conduit -package:charset -package:foldl -package:bytestring -package:integration -is:exact -package:filepath -package:base -package:incipit-base package:aeson is:exact

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