func mustPublish(record string) {
err := mdns.Publish(record)
if err != nil {
log.Fatalf(`Unable to publish record "%s": %s`, record, err)
}
}
func mustPublish(rr string) {
if err := mdns.Publish(rr); err != nil {
log.Fatalf(`Unable to publish record "%s": %v`, rr, err)
}
}