Module For_ppx.Of_variant
type ('a, 'single) t =
('a -> 'single) Variantslib.Variant.t ->
'a Diffable.Optional_diff.t @ localFor_ppx.Of_varianttype ('a, 'single) t =
('a -> 'single) Variantslib.Variant.t ->
'a Diffable.Optional_diff.t @ local