Repetitive background tasks

example-1.go

ticker := time.NewTicker(5 * time.Second)
quit := make(chan struct{})
go func() {
    for {
       select {
        case <- ticker.C:
            // do stuff
        case <- quit:
            ticker.Stop()
            return
        }
    }
 }()

example-2.go

go (func() {
	for {
		select {
		case <- chan.type:
			return
		default:
		}
		time.Sleep(time.Duration(5) * time.Second)
	}
})()