#ifdef DEBUG#define Log(format, ...) NSLog(format, ##__VA_ARGS__)#else#define Log(format, ...)#endif##__VA_ARGS__ is a special preprocessor directive that lets the preprocessor know that it should fill in the variable arguments there.
##__VA_ARGS__
posted on 2012-05-02 14:55 周爃慧 阅读(145) 评论(0) 编辑 收藏 举报