code: func (h *Hashtag) Next() bool {
  	if h.err != nil {
  		return false
  	}
  	insta := h.inst
  	name := h.Name
  	body, err := insta.sendRequest(
  		&reqOptions{
  			Query: map[string]string{
  				"max_id":     h.NextID,
  				"rank_token": insta.rankToken,
  				"page":       fmt.Sprintf("%d", h.NextPage),
  			},
  			Endpoint: fmt.Sprintf(urlTagContent, name),
  			IsPost:   false,
  		},
  	)
  	if err == nil {
  		ht := Hashtag{}
  		err = json.Unmarshal(body, &ht)
  		if err == nil {
  			*h = ht
  			h.inst = insta
  			h.Name = name
  			if !h.MoreAvailable {
  				h.err = ErrNoMore
  			}
  			h.setValues()
  			return true
  		}
  	}
  	h.err = err
  	return false
  }
docs: // Next paginates over hashtag pages (xd).