Envelope/Backend/Util/Bytes.go

package Util

import (
	"bytes"
	"encoding/gob"
)

func ToBytes(key interface{}) ([]byte, error) {
	var (
		buf bytes.Buffer
		enc *gob.Encoder
		err error
	)
	enc = gob.NewEncoder(&buf)
	err = enc.Encode(key)
	if err != nil {
		return nil, err
	}
	return buf.Bytes(), nil

}