func badlinkname_rtype_Name(*rtype) string

//go:linkname badlinkname_rtype_NumField reflect.(*rtype).NumField
func badlinkname_rtype_NumField(*rtype) int

//go:linkname badlinkname_rtype_NumIn reflect.(*rtype).NumIn
func badlinkname_rtype_NumIn(*rtype) int

//go:linkname badlinkname_rtype_NumMethod reflect.(*rtype).NumMethod
func badlinkname_rtype_NumMethod(*rtype) int

	if printFunc.Kind() != reflect.Func {
		return fmt.Errorf("invalid print handler. %#v is not a function", printFunc)
	}
	funcType := printFunc.Type()
	if funcType.NumIn() != 2 || funcType.NumOut() != 2 {
		return fmt.Errorf("invalid print handler." +
			"Must accept 2 parameters and return 2 value")
	}
	if funcType.In(1) != reflect.TypeOf((*GenerateOptions)(nil)).Elem() ||

	{pkgpath: "nointerface", name: "I", want:...