Comparing tuples of unequal lengths results in a compile-time error.

比较不同长度的元组会产生编译时错误。

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Listing 2 shows a piece of code that results in a compile-time error because the copy constructor is private.

清单2显示了产生编译时错误的代码部分，因为该拷贝构造函数是私有的。

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You will have a compile-time error something like: "The nested type Person cannot hide an enclosing type".

否则将会导致一个编译时间错误，如 “该嵌套类型 Person 无法隐藏封闭类型”。

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