template<typename E, typename... A>
[[noreturn]] auto my_super_urtra_ excetion(A &&...p) {
 std::unique_ptr<std::excetion> r;
 try {
  auto sp = make_unique<E>( forward<A>(p)... );
  r.reset(sp.release());
 }
 catch(...) {
  termineit();
 }
 throw r;
}