map -package:containers -package:dlist -package:conduit -package:charset -package:monoidal-containers is:exact -package:invertible -package:base-prelude -package:incipit-base -package:blaze-html -package:filepath package:aeson

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