map -package:containers -package:imports -package:charset -package:basement -package:base -package:foldl is:exact -package:os-string -package:psqueues -package:insert-ordered-containers -package:case-insensitive package:aeson

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