map -package:containers -package:basement -package:conduit -is:exact -is:exact -package:monoidal-containers -package:base-compat -package:psqueues -package:bytestring -package:foldl -package:blaze-html package:aeson is:exact

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