标签: c++ c++11 enums
enum class color { red, black, white, yellow, green, blue, }; color c; if(c == color::red && c == color::black || c == color::green -etc.)
最后一个陈述太挑剔了,有没有更好的办法做到这一点 if(c in(color::red,color::black,color::green))?
if(c in(color::red,color::black,color::green))