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4.2.3 and 4.2.4 #9

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mikelty opened this issue Mar 5, 2022 · 0 comments

mikelty commented Mar 5, 2022 •

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4.2.3最后用了一次无参
4.2.4

如果用户定义有参构造函数，c++不在提供默认无参构造，但是会提供默认拷贝构造

如果有参+拷贝，c++就会提供无参

mikelty changed the title ~~4.2.4~~ 4.2.3 and 4.2.4

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