#include "car.h"

int main()
{
    Driver driver{"老王"};
    Tyre tyre{"倍耐力"};
    Car car1{tyre, driver};
    car1.print(); // 正常

    // 演示聚合可能的问题
    Driver *temp = new Driver{"临时"}; // 动态申请的司机对象
    Car car2{tyre, *temp};
    car2.print(); // 正常
    delete temp;  // 释放司机对象
    car2.print(); // 触发未定义行为
}