Function delayedTask

benchmarks/Uthread.bench.cpp:27–35

template <class Func>
void delayedTask(Executor* ex, Func&& func, std::size_t ms) {
    std::thread(
        [f = std::move(func), ms](Executor* ex) {
            std::this_thread::sleep_for(std::chrono::milliseconds(ms));
            ex->schedule(std::move(f));
        },
        ex)
        .detach();
}

void Uthread_switch(benchmark::State& state) {
    async_simple::executors::SimpleExecutor executor(10);