map -package:containers -package:ghc -package:incipit-base -package:dense-linear-algebra -package:bytestring -package:case-insensitive -package:foldl -package:base-compat -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.