goroutine内でのタイマー処理 - Qiita

package main import ( "time" "log" "sync" ) func main(){ wg := sync.WaitGroup{} ch := make(chan struct{}) wg.Add(1) go func(){ t := time.NewTicker(2 * time.Second) // 2秒おきに通知 defer func (){ wg.Done() t.Stop() }() for { select{ case <-t.C: log.Println("2sec interval") case _, ok := <- ch: if !ok { return } log.Println("1sec interval") } } }() for i := 0; i < 10; i ++ { time.Sleep(time.Second * 1) c