map -package:containers -package:base-compat -package:basement is:exact -package:monoidal-containers -package:invertible -package:Cabal-syntax -package:dlist -package:blaze-html -package:regex-tdfa -package:conduit package:aeson

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