map -package:containers -package:base-compat -package:dense-linear-algebra -package:conduit -is:exact -package:bytestring -package:incipit-base -is:exact is:exact -package:base-compat-batteries -package:foldl package:aeson

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