code: func (c *syncClient) Sunion(arg0 string, arg1 []string) (result [][]byte, err Error) {
  	var resp Response
  	//		resp, err = c.conn.ServiceRequest(&SUNION, [][]byte{arg0bytes, arg1bytes})
  	resp, err = c.conn.ServiceRequest(&SUNION, appendAndConvert(arg0, arg1...))
  	if err == nil {
  		result = resp.GetMultiBulkData()
  	}
  	return result, err
  
  }
docs: // Redis SUNION command.