-registered_class_info structure<T, CP>::reg_info(structure::get_class_name(), "basic", next_structure_tinfo_key++, &structure::unarchive);
-
-template <class T, template <class> class CP>
-const char *structure<T, CP>::class_name() const { return reg_info.name; }
+registered_class_info structure<T, CP>::reg_info = registered_class_info(registered_class_options(structure::get_class_name(), "basic", next_structure_tinfo_key++, &structure::unarchive));