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MembersOfLibrary

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c++ - 什么是 ios::in|ios::out?

我正在阅读一些项目代码,我发现了这个,这里MembersOfLibrary()是classMenberOfLibrary的构造函数classMembersOfLibrary{public:MembersOfLibrary();~MembersOfLibrary(){}voidaddMember();voidremoveMember();unsignedintsearchMember(unsignedintMembershipNo);voidsearchMember(unsignedchar*name);voiddisplayMember();private:MemberslibMemb

c++ - 什么是 ios::in|ios::out?

我正在阅读一些项目代码,我发现了这个,这里MembersOfLibrary()是classMenberOfLibrary的构造函数classMembersOfLibrary{public:MembersOfLibrary();~MembersOfLibrary(){}voidaddMember();voidremoveMember();unsignedintsearchMember(unsignedintMembershipNo);voidsearchMember(unsignedchar*name);voiddisplayMember();private:MemberslibMemb