Open Wongony opened 3 months ago
~Student() { cout << "~Student " << &name << endl; delete name; name = NULL; }
析构函数中输出 name 指向的地址
~Student() { cout << "~Student " << static_cast<void*>(name) << endl; delete name; name = NULL; }
//浅拷贝执行结果: //Student //copy Student //~Student 0x7fffed0c3ec0 //~Student 0x7fffed0c3ec0 // Error in `/tmp/815453382/a.out': double free or corruption (fasttop): 0x0000000001c82c20
//深拷贝执行结果: //Student //copy Student //~Student 0x7fffebca9fb0 //~Student 0x7fffebca9fc0
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析构函数中输出 name 指向的地址
//浅拷贝执行结果: //Student //copy Student //~Student 0x7fffed0c3ec0 //~Student 0x7fffed0c3ec0 // Error in `/tmp/815453382/a.out': double free or corruption (fasttop): 0x0000000001c82c20
//深拷贝执行结果: //Student //copy Student //~Student 0x7fffebca9fb0 //~Student 0x7fffebca9fc0