Dumping an enum value when a call to static_assert() fails

We have several pieces of code at Tetrane that associate data to enumeration values, only relevant for ad-hoc evaluations. A simple example is to match a string to the different enum values, for example for representing CPU registers:

enum Registers {
    EAX = 0,
    EBX,
    // ...
};

const std::pair<Registers, std::string> descriptions ...