Function main

code/2/2.7.cpp:56–65

// }

int main() {
    // Subclass oops; // 非法, 默认构造已删除
    Subclass s(1.2, 3, "abc");
    
    s.foo(1);
    
    std::cout << s.floating << std::endl;
    std::cout << s.value << std::endl;
    std::cout << s.str << std::endl;
}