map -package:containers -package:basement -package:dlist is:exact -package:monoidal-containers -package:case-insensitive -package:base-compat-batteries -package:filepath -package:foldl -package:base-compat -package:base-prelude package:aeson

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