map -package:containers is:exact -package:base-compat -package:blaze-html -package:imports -package:integration -package:foldl -package:hedgehog -package:bytestring -package:conduit -package:os-string -package:Cabal-syntax package:aeson

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