map -package:containers -package:base-compat -package:charset -package:blaze-html -package:invertible -package:incipit-base -package:basement -package:conduit -package:ghc -package:bytestring -package:regex-tdfa -package:psqueues package:aeson is:exact

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