map -package:containers -package:imports -package:charset is:exact -package:insert-ordered-containers -package:amazonka-core -package:bytestring -package:dense-linear-algebra -package:Cabal-syntax -package:base-compat package:aeson

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