map -package:containers -package:case-insensitive is:exact -package:charset -package:base-compat-batteries -package:bytestring -package:conduit -package:hedgehog -package:base-prelude -package:Cabal-syntax -package:os-string package:aeson

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