map -package:containers -package:charset -package:integration -package:base -package:imports -package:bytestring -package:invertible -package:Cabal-syntax -package:insert-ordered-containers -package:os-string -package:monoidal-containers is:exact package:aeson

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