map -package:containers -package:base-compat -package:basement is:exact -package:charset -package:Cabal-syntax -package:bytestring -package:base-prelude -package:base -package:incipit-base -package:invertible package:aeson

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