map -package:containers is:exact -package:foldl -package:bytestring -package:dlist -package:amazonka-core -package:case-insensitive -package:monoidal-containers -package:base-prelude -package:os-string -package:invertible package:aeson

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