map -package:containers -package:bytestring -package:monoidal-containers -package:charset -package:foldl -package:blaze-html -package:dlist -package:pipes -package:os-string -package:amazonka-core package:aeson is:exact

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