Function different_execs

test/experimental/coro/executor.cpp:34–107

template <typename T>
void different_execs()
{
  boost::asio::thread_pool th_ctx{1u};
  boost::asio::io_context ctx;

  auto o = std::make_optional(
      boost::asio::prefer(th_ctx.get_executor(),
        boost::asio::execution::outstanding_work.tracked));

  static bool ran_inner = false, ran_outer = false;

  struct c_inner_t
  {
    auto operator()(boost::asio::any_io_executor e) -> boost::asio::experimental::coro<T>
    {
      auto p = e.target<boost::asio::thread_pool::executor_type>();
      BOOST_ASIO_CHECKPOINT();
      BOOST_ASIO_CHECK(p);
      BOOST_ASIO_CHECK(p->running_in_this_thread());
      ran_inner = true;
      co_return;
    };

  };

  c_inner_t c_inner;

  struct c_outer_t
  {

    auto operator()(boost::asio::any_io_executor e, int,
        boost::asio::experimental::coro<T> tp)
      -> boost::asio::experimental::coro<void>
    {
      auto p = e.target<boost::asio::io_context::executor_type>();

      BOOST_ASIO_CHECK(p);
      BOOST_ASIO_CHECK(p->running_in_this_thread());
      BOOST_ASIO_CHECKPOINT();

      co_await tp;

      BOOST_ASIO_CHECKPOINT();
      BOOST_ASIO_CHECK(p->running_in_this_thread());

      ran_outer = true;
    };
  };

  c_outer_t c_outer;

  bool ran = false;
  std::exception_ptr ex;

  auto c = c_outer(ctx.get_executor(), 10, c_inner(th_ctx.get_executor()));
  c.async_resume(
      [&](std::exception_ptr e)
      {