package main import . "github.com/visionmedia/go-debug" import "time" var debug = Debug("single") func main() { for { debug("sending mail") debug("send email to %s", "tobi@segment.io") debug("send email to %s", "loki@segment.io") debug("send email to %s", "jane@segment.io") time.Sleep(500 * time.Millisecond) } }