Type-Enum

#include <iostream>
#include <cstring>
using namespace std;



#define ENUM_VALUE(category, type) \
    struct type { \
        static inline const char* category() {\
            return #type; \
        } \
    }

#define ENUM_TYPE(category, type) static inline const char* category() { \
        return #type; \
    }

ENUM_VALUE( hello );

struct S {
    int a;
    // float c;
};

S s;
int a;

// static_assert(sizeof s == sizeof a, "");
// memcpy(&a, &s, sizeof a);

int main() {
    cout << hello::value();
    return 0;
}