map -package:containers is:exact -package:basement -package:base-prelude -package:incipit-base -package:invertible -package:dlist -package:integration -package:os-string -package:foldl -package:amazonka-core package:aeson

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