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@dyj19901127 hi.
我觉得一个好的习惯就是禁止复制构造函数。除非你每个类都写，但一般也用不到。henry应该是采取不写的做法吧。
这个在c++ primer plus 和effictive c加加里面提到过。书并不在手边你可以看看那个类里面存在指针的时候，复制构造函数怎么泄露的。我更觉得这是个和编程有关的问题和cfd关系不大？
