map is:exact -package:base -package:containers -package:Cabal-syntax -package:foldl -package:invertible -package:filepath -package:incipit-base -package:basement -package:monoidal-containers -package:base-prelude package:aeson

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