map -package:containers -package:charset -package:base-compat -package:conduit -package:dense-linear-algebra -package:basement -package:imports -package:pipes -package:os-string -package:insert-ordered-containers package:aeson is:exact

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