code: func (z *IndexFindByTagResp) EncodeMsg(en *msgp.Writer) (err error) {
  	// map header, size 1
  	// write "Metrics"
  	err = en.Append(0x81, 0xa7, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73)
  	if err != nil {
  		return
  	}
  	err = en.WriteArrayHeader(uint32(len(z.Metrics)))
  	if err != nil {
  		err = msgp.WrapError(err, "Metrics")
  		return
  	}
  	for za0001 := range z.Metrics {
  		err = z.Metrics[za0001].EncodeMsg(en)
  		if err != nil {
  			err = msgp.WrapError(err, "Metrics", za0001)
  			return
  		}
  	}
  	return
  }
docs: // EncodeMsg implements msgp.Encodable