code: func New(cs []string, d time.Duration, options ...Option) *Spinner {
  	s := &Spinner{
  		Delay:    d,
  		chars:    cs,
  		color:    color.New(color.FgWhite).SprintFunc(),
  		lock:     &sync.RWMutex{},
  		Writer:   color.Output,
  		active:   false,
  		stopChan: make(chan struct{}, 1),
  	}
  
  	for _, option := range options {
  		option(s)
  	}
  	return s
  }
docs: // New provides a pointer to an instance of Spinner with the supplied options