map -package:containers -package:base is:exact -package:Cabal-syntax -package:dense-linear-algebra -package:invertible -package:filepath -package:charset -package:integration -package:dlist -package:blaze-html package:aeson

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