VARIADIC MACRO

http://en.wikipedia.org/wiki/Variadic_macro

 

宏的变参写法：比如log常常会用到进行分类，用宏来简化书写，可以这样

#define RENDER_LOG(...) BMLog::GetInstance()->LogToDebug(ELT_Render, __VA_ARGS__)

 

原文链接： http://blog.csdn.net/ccanan/article/details/6029231