Make_typename.Make4module X : Named_intf.S4val named : 'a Std_internal.Typerep.t -> 'b Std_internal.Typerep.t -> 'c Std_internal.Typerep.t -> 'd Std_internal.Typerep.t -> ('a, 'b, 'c, 'd) X.t Std_internal.Typerep.Named.tval typename_of_t : 'a Typename.t -> 'b Typename.t -> 'c Typename.t -> 'd Typename.t -> ('a, 'b, 'c, 'd) X.t Typename.t