code: func NewDogstatsd(addr string) (*Dogstatsd, error) {
  	c, err := statsd.New(addr)
  	if err != nil {
  		return nil, err
  	}
  
  	return &Dogstatsd{
  		Client: c,
  	}, nil
  }
docs: // NewDogstatsd returns a new Dogstatsd instance that sends statsd metrics to addr.