map is:exact -package:lens -package:containers -package:case-insensitive -package:conduit -package:base-compat-batteries -package:dlist -package:base -package:bytestring -package:charset -package:hedgehog package:aeson

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