摘要:
friend ostream& operator<<(ostream& os,const 类名 &类定义的){os<<类定义的.成员<<endl;return os;} friend istream& operator>>(istream &is,类名 &类定义的){is>>类定义的.成员;retu 阅读全文
posted @ 2017-03-19 21:20
TogetherLaugh
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