map -package:containers -package:insert-ordered-containers -package:charset -package:base-compat -is:exact -package:ghc -is:exact -package:foldl -is:exact -package:monoidal-containers -package:hedgehog is:exact package:aeson

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