How can I use an enum class in a boolean context?

Question

I have some generic code that works with flags specified using C++11 enum class types. At one step, I\'d like to know if any of the bits in the flag are set. Cu

Answer 1

No, not like that. Conversion operators must be members, and enums cannot have members. I think the best you can do is comparison with none, or, if there isn't a none enumerator, wrap the static_cast in a function.