type Worker struct {
    ID      int
    RepJobs chan int64
    SM      *SM
    quit    chan bool
}

type workerPool struct {
    workerChan chan *Worker
    workerList []*Worker
}

func InitWorkerPool() error {
    n := 3
    WorkerPool = &workerPool{
        workerChan: make(chan *Worker, n),
        workerList: make([]*Worker, 0, n),
    }
    for i := 0; i < n; i++ {
        worker := NewWorker(i)
        WorkerPool.workerList = append(WorkerPool.workerList, worker)
        worker.Start()
        log.Debugf("worker %d started", worker.ID)
    }
    return nil
}

func (w *Worker) Start() {
    go func() {
        for {
            WorkerPool.workerChan <- w
            select {
            case jobID := <-w.RepJobs:
                log.Debugf("worker: %d, will handle job: %d", w.ID, jobID)
                w.handleRepJob(jobID)
            case q := <-w.quit:
                if q {
                    log.Debugf("worker: %d, will stop.", w.ID)
                    return
                }
            }
        }
    }()
}

func Dispatch() {
    for {
        select {
        case job := <-jobQueue:
            go func(jobID int64) {
                println("Trying to dispatch job: %d", jobID)
                worker := <-WorkerPool.workerChan
                worker.RepJobs <- jobID
            }(job)
        }
    }
}

func (w *Worker) Stop() {
    go func() {
        w.quit <- true
    }()
}
func (wp *workerPool) StopJobs(jobs []int64) {
    log.Debugf("Works working on jobs: %v will be stopped", jobs)
    for _, id := range jobs {
        for _, w := range wp.workerList {
            if w.SM.JobID == id {
                log.Debugf("found a worker whose job ID is %d, will try to stop it", id)
                w.SM.Stop(id)
            }
        }
    }
}

int,err:=strconv.Atoi(string)

int64, err := strconv.ParseInt(string, 10, 64)

string:=strconv.Itoa(int)

string:=strconv.FormatInt(int64,10)