inline auto make_task()

in Source/Shared/arcana/threading/task.h [266:289]

• 21 lines of code
• 2 McCabe index (conditional complexity)

    inline auto make_task(SchedulerT& scheduler, cancellation& token, CallableT&& callable)
        -> typename internal::task_factory<
                            typename internal::callable_traits<CallableT, void>::error_propagation_type,
                            typename internal::callable_traits<CallableT, void>::expected_return_type::value_type>::task_t
    {
        using traits = internal::callable_traits<CallableT, void>;
        using wrapper = internal::input_output_wrapper<void, typename traits::error_propagation_type, false>;

        auto factory{ internal::make_task_factory(
            internal::make_work_payload<typename traits::expected_return_type::value_type, typename traits::error_propagation_type>(
                [callable = wrapper::wrap_callable(std::forward<CallableT>(callable), token)]
                (internal::base_task_payload*) mutable noexcept
                {
                    return callable(basic_expected<void, typename traits::error_propagation_type>::make_valid());
                })
        ) };

        scheduler([to_run = std::move(factory.to_run)]
        {
            to_run.m_payload->run(nullptr);
        });

        return factory.to_return;
    }