map -package:containers -package:charset -package:invertible -is:exact -package:dense-linear-algebra -package:foldl -package:base-compat -package:ghc -is:exact -package:basement -package:bytestring package:aeson is:exact

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