map -package:containers -package:blaze-html -package:bytestring -package:conduit -package:invertible -package:pipes -package:base-compat -package:base -package:amazonka-core -package:hedgehog -package:filepath -is:exact -package:integration package:aeson is:exact

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