map -package:containers -package:imports -package:basement -package:blaze-html -package:bytestring -package:invertible -package:dlist -package:hedgehog -package:psqueues -package:case-insensitive package:aeson is:exact

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