Function pipeline_cpp20_coroutine

less_slow.cpp:3806–3818

template <typename generator_type_>
static void pipeline_cpp20_coroutine(bm::State &state) {
    std::uint64_t sum = 0, count = 0;
    for (auto _ : state) {
        auto range = for_range_generator<generator_type_>(pipe_start, pipe_end);
        auto filtered_twos = filter_generator<generator_type_>(std::move(range), is_power_of_two);
        auto filtered_threes = filter_generator<generator_type_>(std::move(filtered_twos), is_power_of_three);
        auto factors = prime_factors_generator<generator_type_>(std::move(filtered_threes));
        // Reduce
        sum = 0, count = 0;
        for (auto factor : factors) sum += factor, count++;
        if (count != 84 || sum != 645) state.SkipWithError("Incorrect result");
    }
}

using toy_generator_t = toy_generator<std::uint64_t>;