code: func NewAdaptor(v ...string) *Adaptor {
  	a := &Adaptor{
  		name: gobot.DefaultName("ARDrone"),
  		connect: func(a *Adaptor) (drone, error) {
  			return client.Connect(a.config)
  		},
  	}
  
  	a.config = client.DefaultConfig()
  	if len(v) > 0 {
  		a.config.Ip = v[0]
  	}
  
  	return a
  }
docs: // NewAdaptor returns a new ardrone.Adaptor and optionally accepts:
  //
  //  string: The ardrones IP Address
  //