map -package:containers -package:insert-ordered-containers -package:dense-linear-algebra -package:invertible -package:incipit-base -package:imports -package:monoidal-containers -package:foldl -package:dlist -package:os-string is:exact package:aeson

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