Class initiate_async_wait

include/boost/asio/basic_deadline_timer.hpp:672–702

      const basic_deadline_timer&) = delete;

  class initiate_async_wait
  {
  public:
    typedef Executor executor_type;

    explicit initiate_async_wait(basic_deadline_timer* self)
      : self_(self)
    {
    }

    const executor_type& get_executor() const noexcept
    {
      return self_->get_executor();
    }

    template <typename WaitHandler>
    void operator()(WaitHandler&& handler) const
    {
      // If you get an error on the following line it means that your handler
      // does not meet the documented type requirements for a WaitHandler.
      BOOST_ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;

      detail::non_const_lvalue<WaitHandler> handler2(handler);
      self_->impl_.get_service().async_wait(
          self_->impl_.get_implementation(),
          handler2.value, self_->impl_.get_executor());
    }

  private:
    basic_deadline_timer* self_;
  };

  detail::io_object_impl<
    detail::deadline_timer_service<TimeTraits>, Executor> impl_;