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Description
~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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