state& new_userdata(const std::string& name, Args&&... args) {
constructors<types<CTor...>> ctor;
classes.emplace_back(std::make_shared<userdata<Class>>(name, ctor, std::forward<Args>(args)...));
auto&& ptr = classes.back();
auto udata = std::static_pointer_cast<userdata<Class>>(ptr);
global.set_userdata(*udata);
return *this;
}
state& new_userdata(const std::string& name, constructors<CArgs...> ctor, Args&&... args) {
userdata<Class> udata(name, ctor, std::forward<Args>(args)...);
global.set_userdata(udata);
return *this;
}
state& set_userdata(userdata<T>& user) {
global.set_userdata(user);
return *this;
}
state& set_userdata(Key&& key, userdata<T>& user) {
global.set_userdata(std::forward<Key>(key), user);
return *this;
}
