map -package:containers -package:bytestring -package:monoidal-containers -package:charset -package:dense-linear-algebra -package:base -package:base-prelude -package:incipit-base -package:filepath -package:invertible package:aeson is:exact

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