map -package:containers -package:incipit-base -package:case-insensitive -package:dense-linear-algebra -package:bytestring -package:foldl -is:exact -package:invertible -package:monoidal-containers -package:charset package:aeson -is:exact is:exact

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