code: func (h *Submission) String() string {
  	plural := ""
  	if h.NumComments != 1 {
  		plural = "s"
  	}
  	comments := fmt.Sprintf("%d comment%s", h.NumComments, plural)
  	return fmt.Sprintf("%d - %s (%s)", h.Score, h.Title, comments)
  }
docs: // String returns the string representation of a submission.