map -package:containers -package:insert-ordered-containers -package:conduit -package:base-prelude -package:base -package:monoidal-containers -package:Cabal-syntax -package:charset -package:bytestring -package:psqueues -package:regex-tdfa -package:ghc package:aeson is:exact

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