The following is an incredibly elegant and nifty way to write a completely safe copy assignment operator. It's even cooler if you've never seen the technique before.
The following is an incredibly elegant and nifty way to write a completely safe copy assignment operator. It's even cooler if you've never seen the technique before.
下面给出了编写完全异常安全的拷贝赋值运算符的一个极好的方式，难以置信的优美。如果你以前从没看到过这个技巧的话，它很酷，不是吗？