map -package:containers -package:base-prelude -package:bytestring -package:base -is:exact -package:case-insensitive -package:imports -package:amazonka-core -package:conduit -package:Cabal-syntax package:aeson is:exact

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