code: func NewUDPChecker(ip net.IP, port int) *UDPChecker {
  	return &UDPChecker{
  		Target: Target{
  			IP:    ip,
  			Port:  port,
  			Proto: seesaw.IPProtoUDP,
  		},
  	}
  }
docs: // NewUDPChecker returns an initialised UDPChecker.