摘要: 今天在看c++primer的时候,读到其中这样一段话:When we use anistreamas a condition, the effect is to test the state of the stream. If the stream is validthat is, if it is... 阅读全文
posted @ 2015-09-04 16:13 loversinJapan 阅读(755) 评论(0) 推荐(1) 编辑