package main
import (
"bytes"
"encoding/hex"
"fmt"
"io/ioutil"
"log"
)
func main() {
d := []byte{0x01, 0xff, 0x3a, 0xcd}
writer := &bytes.Buffer{}
hexWriter := hex.NewEncoder(writer)
_, err := hexWriter.Write(d)
if err != nil {
log.Fatalf("hexWriter.Write() failed with '%s'\n", err)
}
encoded := writer.Bytes()
fmt.Printf("Hex: %s\n", string(encoded))
reader := bytes.NewBuffer(encoded)
hexReader := hex.NewDecoder(reader)
decoded, err := ioutil.ReadAll(hexReader)
if err != nil {
fmt.Printf("ioutil.ReadAll() failed with '%s'\n", err)
}
if !bytes.Equal(d, decoded) {
log.Fatalf("decoded version is different than original")
}
}
