// OPTIONAL: #embed resource inclusion (Working Draft feature).
// Many compilers don't support this yet; skip if unavailable.
#if defined(__cpp_embed) || 1  /* Remove '|| 1' if your compiler errors here; kept to allow syntax check */
#include <cstddef>
constexpr unsigned char blob[] = {
#embed "data.txt"
};
int main() {
    return (sizeof(blob) > 0) ? 0 : 1;
}
#else
int main(){ return 0; }
#endif