map -package:containers is:exact -package:basement -package:base-prelude -package:monoidal-containers -package:regex-tdfa -package:base -package:incipit-base -package:filepath -package:conduit -package:foldl -package:hedgehog package:aeson

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