import (

"bytes"

"encoding/binary"

"encoding/gob"

"fmt"

)

func str_to_byte(src string) []byte {

//strSlice := []string{src}

buffer := &bytes.Buffer{}

gob.NewEncoder(buffer).Encode(src)

return buffer.Bytes()

}

func uint64_to_byte(src uint64) []byte {

buf := make([]byte, 8)

binary.BigEndian.PutUint64(buf, src)

return buf

}

func main() {

var u uint64

u = 128

bytes := uint64_to_byte(u)

fmt.Println(bytes)

str := "128"

bytes = str_to_byte(str)

fmt.Println(bytes)

}