module type S3 =sig
..end
type ('a, 'b, 'c)
t
val typerep_of_t : 'a Std_internal.Typerep.t ->
'b Std_internal.Typerep.t ->
'c Std_internal.Typerep.t ->
('a, 'b, 'c) t Std_internal.Typerep.t
val typename_of_t : 'a Typename.t ->
'b Typename.t -> 'c Typename.t -> ('a, 'b, 'c) t Typename.t