map -package:containers -package:case-insensitive -package:foldl -package:invertible -package:base-compat -package:insert-ordered-containers -package:dense-linear-algebra -package:charset -package:bytestring package:aeson -is:module is:exact

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