golang: xml unmarshal practice

xml_unmarshal.go

package main

import (
	"encoding/xml"
	"fmt"
	"log"
)

var encoded = `
<list><value>a</value>
<list><value>b</value>
<list><value>c</value>
</list>
</list>
</list>
`

type List struct {
	XMLName xml.Name `xml:"list"`
	Value   string   `xml:"value"`
	List    *List
}

var data = `<?xml version="1.0" encoding="UTF-8" ?> 
 <info> 
  <title>My website</title> 
  <slogan>My website is your</slogan> 
 </info>`

type Website struct {
	Title  string `xml:"title"`
	Slogan string `xml:"slogan"`
}

func (l *List) String() string {
	if l == nil {
		return "nil"
	}

	return l.Value + " :: " + l.List.String()
}

func main() {
	var l *List
	err := xml.Unmarshal([]byte(encoded), &l)
	if err != nil {
		log.Fatalln("xml.Unmarshal: ", err)
	}
	fmt.Println(l)

	var w *Website
	xml.Unmarshal([]byte(data), &w)
	fmt.Printf("%#v\n", w)
}