code: func (c *syncClient) Zscore(arg0 string, arg1 []byte) (result float64, err Error) {
  	arg0bytes := []byte(arg0)
  	arg1bytes := arg1
  
  	var resp Response
  	resp, err = c.conn.ServiceRequest(&ZSCORE, [][]byte{arg0bytes, arg1bytes})
  	if err == nil {
  		buff := resp.GetBulkData()
  		//		fnum, oserr := strconv.Atof64(bytes.NewBuffer(buff).String());
  		//		if oserr != nil {
  		//			err = newSystemErrorWithCause("Expected a parsable byte representation of a float64 in Zscore!", oserr);
  		//		}
  		//		result = fnum;
  		result, err = Btof64(buff)
  	}
  	return result, err
  
  }
docs: // Redis ZSCORE command.