Function workerThread

example/sem.cpp:82–91

std::array<Guide, max_threads> guides;

task<> workerThread(unsigned id) {
    // emulate some work before sema acquisition
    co_await guides[id].initial_delay();
    // wait until a free sema slot is available
    co_await sem.acquire();
    // emulate some work while sema is acquired
    co_await guides[id].occupy_sema();
    sem.release();
    co_await guides[id].visualize(id);
}

int main() {
    io_context ctx;