map -package:containers -package:ghc -package:incipit-base -package:base -package:basement -package:charset -is:exact -package:os-string -package:dense-linear-algebra -package:psqueues -package:pipes is:exact package:aeson

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