摘要：
http://www.cplusplus.com/reference/ios/ios/operator_not/http://stackoverflow.com/questions/8117566/why-istream-object-can-be-used-as-a-bool-expression... 阅读全文
posted @ 2014-11-17 15:39
rldts
阅读(583)
评论(0)
推荐(1)
浙公网安备 33010602011771号