map -package:containers -package:bytestring -package:monoidal-containers -package:base-compat -is:exact -package:charset -package:conduit -package:os-string -package:invertible -package:ghc is:exact -package:dlist -package:integration -package:regex-tdfa -package:basement package:aeson

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