Function throwing_stacked

test/experimental/coro/exception.cpp:111–123

}

boost::asio::experimental::coro<int(int)> throwing_stacked(
    boost::asio::any_io_executor exec, int &val,
    bool &destroyed_inner, bool &destroyed)
{
  BOOST_ASIO_CHECK((co_await boost::asio::this_coro::throw_if_cancelled()));

  on_scope_exit x = [&]() noexcept { destroyed = true; };
  (void)x;

  auto gen = throwing_generator(exec, val, destroyed_inner);
  while (auto next = co_await gen) // 1, 2, 4, 8, ...
    BOOST_ASIO_CHECK(42 ==(co_yield *next)); // offset is delayed by one cycle
}

boost::asio::awaitable<void> throwing_generator_stacked_test()
{