map -package:containers -package:insert-ordered-containers -package:basement -is:exact -package:bytestring -package:case-insensitive -is:exact is:exact -package:dlist -package:invertible -package:base-compat package:aeson

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