Parameter For_all_parameters_S2.1-X

type ('a, 'b) t
val typerep_of_t : 'a Typerep_lib.Std_internal.Typerep.t -> 'b Typerep_lib.Std_internal.Typerep.t -> ('a'b) t Typerep_lib.Std_internal.Typerep.t
val typename_of_t : 'a Typerep_lib.Typename.t -> 'b Typerep_lib.Typename.t -> ('a'b) t Typerep_lib.Typename.t