map -package:containers -package:base -is:exact -package:basement -package:base-compat -package:dense-linear-algebra -is:exact -package:monoidal-containers -is:exact -package:charset -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.