Function worker_thread

example/cv_notify_one.cpp:22–39

bool processed = false;

task<void> worker_thread() {
    // Wait until main() sends data
    co_await m.lock();
    co_await cv.wait(m, [] { return ready; });

    // after the wait, we own the lock.
    std::cout << "Worker thread is processing data\n";
    data += " after processing";

    // Send data back to main()
    processed = true;
    std::cout << "Worker thread signals data processing completed\n";

    // Manual unlocking is done before notifying, to avoid waking up
    // the waiting thread only to block again (see notify_one for details)
    m.unlock();
    cv.notify_one();
}

task<> main_thread() {
    data = "Example data";