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Daydream0929
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Dec 29, 2023
- shared_ptr可能会导致循环引用,内存无法安全释放,因此采用一个unique_ptr和一个原始指针
- 自定义构造函数改用初始化表表达式,避免重复初始化
- 因为有了移动赋值函数和拷贝构造函数,删除拷贝赋值函数,当程序调用时编译器会先调用拷贝构造函数就地构造,然后调用移动赋值函数。
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