map -package:containers is:exact -package:conduit -package:dlist -package:monoidal-containers -package:psqueues -package:imports -package:hedgehog -package:foldl -package:base-compat-batteries -package:bytestring -package:basement package:aeson

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