From 13208c32ebc73d4bbea0bb1bfe04132d8dfbcf05 Mon Sep 17 00:00:00 2001
From: p68710245 <xxj.rcls@seu.edu.cn>
Date: Sat, 24 Feb 2024 17:50:52 +0800
Subject: [PATCH] ADD file via upload

---
 main.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 main.cpp

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..023840f
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,16 @@
+#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
+}
\ No newline at end of file