map -package:containers is:exact -package:basement -package:base-prelude -package:invertible -package:insert-ordered-containers -package:charset -package:dense-linear-algebra -package:blaze-html -package:monoidal-containers package:aeson

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