func (s NetworkSettings) PortAt(index int) (string, *HostPublish) {
	counter := 0
	for k, v := range s.Ports {
		if counter != index {
			counter++
			continue
		}

		return k, v
	}

	return "", nil
}
func (s NetworkSettings) PortAt(index int) (string, *HostPublish) {
	counter := 0
	for k, v := range s.Ports {
		if counter != index {
			counter++
			continue
		}

		return k, v
	}

	return "", nil
}
func ( s NetworkSettings ) PortAt ( index int ) ( string , * HostPublish ) { counter := 0 for k , v := range s . Ports { if counter != index { counter ++ continue } return k , v } return " " , nil }
// PortAt returns expose and publish port information at especified index.
PortAt returns expose and publish port information at especified index .