map -package:base-prelude -package:containers -package:basement -package:case-insensitive -package:invertible -package:foldl -package:base -package:monoidal-containers -package:insert-ordered-containers is:exact package:aeson

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