map -package:containers -package:charset -package:invertible -is:exact -package:dense-linear-algebra -is:exact -is:exact -package:base-prelude -package:basement -package:incipit-base -package:os-string -is:exact package:aeson is:exact

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