c++ istream(ostream)是如何转换为bool的

时间:2014-11-17 17:16:33   收藏:0   阅读:231

http://www.cplusplus.com/reference/ios/ios/operator_not/

http://stackoverflow.com/questions/8117566/why-istream-object-can-be-used-as-a-bool-expression

http://stackoverflow.com/questions/22954106/istream-ostream-vs-bool

http://stackoverflow.com/questions/16777451/c-how-is-istream-is-converted-to-bool-inside-a-conditional-expression

原文:http://www.cnblogs.com/qrlozte/p/4103699.html

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