A copy assignment operator is implemented by the compiler automatically unless you provide one.
拷贝赋值运算符是由编译器自动实现，除非你提供一个。
Do assignment operations always copy data from right to left?
做作业操作复制数据从右到左？
How to call to the copy constructor from the copy-assignment operator?
如何从复制赋值运算符调用复制构造函数？
You are required to keep a copy, electronic or otherwise, of every assignment.
每一次作业，你都需要保留一份副本，电子或者是其他形式的。
Copy constructor or assignment operator?
复制构造函数或赋值操作符？
Copy constructor or assignment operator?
复制构造函数或赋值操作符？
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