Fix typo, delete unused file (#141)

pool/pool.go

@@ -1,166 +0,0 @@
-package pool
-
-// import "time"
-
-// const (
-// 	// This value is the size of the queue that workers register their
-// 	// availability to the dispatcher.  There may be hundreds of workers, but
-// 	// only a small channel is needed to register some of the workers.
-// 	readyQueueSize = 64
-
-// 	// If worker pool receives no new work for this period of time, then stop
-// 	// a worker goroutine.
-// 	idleTimeoutSec = 5
-// )
-
-// type WorkerPool struct {
-// 	maxWorkers   int
-// 	timeout      time.Duration
-// 	taskQueue    chan func()
-// 	readyWorkers chan chan func()
-// 	stoppedChan  chan struct{}
-// }
-
-// func New(maxWorkers int) *WorkerPool {
-// 	// There must be at least one worker.
-// 	if maxWorkers < 1 {
-// 		maxWorkers = 1
-// 	}
-
-// 	// taskQueue is unbuffered since items are always removed immediately.
-// 	pool := &WorkerPool{
-// 		taskQueue:    make(chan func()),
-// 		maxWorkers:   maxWorkers,
-// 		readyWorkers: make(chan chan func(), readyQueueSize),
-// 		timeout:      time.Second * idleTimeoutSec,
-// 		stoppedChan:  make(chan struct{}),
-// 	}
-
-// 	// Start the task dispatcher.
-// 	go pool.dispatch()
-
-// 	return pool
-// }
-
-// func (p *WorkerPool) Stop() {
-// 	if p.Stopped() {
-// 		return
-// 	}
-// 	close(p.taskQueue)
-// 	<-p.stoppedChan
-// }
-
-// func (p *WorkerPool) Stopped() bool {
-// 	select {
-// 	case <-p.stoppedChan:
-// 		return true
-// 	default:
-// 	}
-// 	return false
-// }
-
-// func (p *WorkerPool) Submit(task func()) {
-// 	if task != nil {
-// 		p.taskQueue <- task
-// 	}
-// }
-
-// func (p *WorkerPool) SubmitWait(task func()) {
-// 	if task == nil {
-// 		return
-// 	}
-// 	doneChan := make(chan struct{})
-// 	p.taskQueue <- func() {
-// 		task()
-// 		close(doneChan)
-// 	}
-// 	<-doneChan
-// }
-
-// func (p *WorkerPool) dispatch() {
-// 	defer close(p.stoppedChan)
-// 	timeout := time.NewTimer(p.timeout)
-// 	var workerCount int
-// 	var task func()
-// 	var ok bool
-// 	var workerTaskChan chan func()
-// 	startReady := make(chan chan func())
-// Loop:
-// 	for {
-// 		timeout.Reset(p.timeout)
-// 		select {
-// 		case task, ok = <-p.taskQueue:
-// 			if !ok {
-// 				break Loop
-// 			}
-// 			// Got a task to do.
-// 			select {
-// 			case workerTaskChan = <-p.readyWorkers:
-// 				// A worker is ready, so give task to worker.
-// 				workerTaskChan <- task
-// 			default:
-// 				// No workers ready.
-// 				// Create a new worker, if not at max.
-// 				if workerCount < p.maxWorkers {
-// 					workerCount++
-// 					go func(t func()) {
-// 						startWorker(startReady, p.readyWorkers)
-// 						// Submit the task when the new worker.
-// 						taskChan := <-startReady
-// 						taskChan <- t
-// 					}(task)
-// 				} else {
-// 					// Start a goroutine to submit the task when an existing
-// 					// worker is ready.
-// 					go func(t func()) {
-// 						taskChan := <-p.readyWorkers
-// 						taskChan <- t
-// 					}(task)
-// 				}
-// 			}
-// 		case <-timeout.C:
-// 			// Timed out waiting for work to arrive.  Kill a ready worker.
-// 			if workerCount > 0 {
-// 				select {
-// 				case workerTaskChan = <-p.readyWorkers:
-// 					// A worker is ready, so kill.
-// 					close(workerTaskChan)
-// 					workerCount--
-// 				default:
-// 					// No work, but no ready workers.  All workers are busy.
-// 				}
-// 			}
-// 		}
-// 	}
-
-// 	// Stop all remaining workers as they become ready.
-// 	for workerCount > 0 {
-// 		workerTaskChan = <-p.readyWorkers
-// 		close(workerTaskChan)
-// 		workerCount--
-// 	}
-// }
-
-// func startWorker(startReady, readyWorkers chan chan func()) {
-// 	go func() {
-// 		taskChan := make(chan func())
-// 		var task func()
-// 		var ok bool
-// 		// Register availability on starReady channel.
-// 		startReady <- taskChan
-// 		for {
-// 			// Read task from dispatcher.
-// 			task, ok = <-taskChan
-// 			if !ok {
-// 				// Dispatcher has told worker to stop.
-// 				break
-// 			}
-
-// 			// Execute the task.
-// 			task()
-
-// 			// Register availability on readyWorkers channel.
-// 			readyWorkers <- taskChan
-// 		}
-// 	}()
-// }