清单5给出的代码在优化了空基类的编译器上证明了这一点。

Listing 5 shows the code that proves the point on compilers optimizing empty base classes.

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清单9基于编译器会优化空基类的假设。

Listing 9 is based on the assumption that the compiler optimizes away the empty base classes.

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清单9基于编译器会优化空基类的假设。

Listing 9 is based on the assumption that the compiler optimizes away the empty base classes.

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