ios_base

cy13762633948 2011-12-19 11:29:58

想问一下ios_base和ios关系，使用ios::out 和ios_base::out 貌似效果一样

...全文

81 2 打赏收藏转发到动态举报

写回复

用AI写文章

2 条回复

切换为时间正序

请发表友善的回复…

发表回复

对象 2011-12-20

打赏
举报



Bitmask type to represent stream error state flags.



See also

ios::rdstate	 Get error state flags (public member function)

ios::setstate	 Set error state flag (public member function)

ios::good	 Check if the state of the stream is good for i/o operations. (public member function)

ios::bad	 Check if badbit is set (public member function)

ios::fail	 Check if either failbit or badbit is set (public member function )

ios::eof	 Check if eofbit is set (public member function)

出处：http://www.cplusplus.com/reference/iostream/ios_base/iostate/

以上可见，ios_base主要是定义存储流状态的标志枚举类型，和ios是继承关系。