package mainimport ("log""time""github.com/liudanking/timer")funcmain() {tw,err:=timer.NewTimingWheel(1*time.Millisecond)iferr!=nil {log.Fatal(err)}gotw.Run()fori:=0;i<10;i++ {delay:=time.Duration(i+1)*time.Secondtw.AddFunc(delay,func(createTime time.Time,iint,delay time.Duration)func() {returnfunc() {log.Printf("job %d with delay %v triggerd, time diff: %v",i,delay,time.Now().Sub(createTime))}}(time.Now(),i,delay),)}time.Sleep(15*time.Second)tw.Close()}2017/05/26 18:15:03 job 0 with delay 1s triggerd, time diff: 1.006292097s2017/05/26 18:15:04 job 1 with delay 2s triggerd, time diff: 2.011096993s2017/05/26 18:15:05 job 2 with delay 3s triggerd, time diff: 3.011222287s2017/05/26 18:15:06 job 3 with delay 4s triggerd, time diff: 4.011262349s2017/05/26 18:15:07 job 4 with delay 5s triggerd, time diff: 5.011292894s2017/05/26 18:15:08 job 5 with delay 6s triggerd, time diff: 6.013259413s2017/05/26 18:15:09 job 6 with delay 7s triggerd, time diff: 7.013191768s2017/05/26 18:15:10 job 7 with delay 8s triggerd, time diff: 8.014250186s2017/05/26 18:15:11 job 8 with delay 9s triggerd, time diff: 9.014169874s2017/05/26 18:15:12 job 9 with delay 10s triggerd, time diff: 10.014251052s2017/05/26 18:15:17 timingwheel exit