map -package:containers -package:dlist -package:conduit -package:basement -package:ghc -package:base-compat-batteries -package:bytestring -package:hedgehog -package:pipes -is:exact -package:foldl package:aeson is:exact

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