// json.go.go
package main

import (
	"fmt"
	"encoding/json"
	"log"
	"os"
)

type Address struct {
	Type             string
	City             string
	Country          string
}

type VCard struct {
	FirstName	string
	LastName	string
	Addresses	[]*Address
	Remark		string
}

func main() {
	pa := &Address{"private", "Aartselaar","Belgium"}
	wa := &Address{"work", "Boom", "Belgium"}
	vc := VCard{"Jan", "Kersschot", []*Address{pa,wa}, "none"}
	// fmt.Printf("%v: \n", vc) // {Jan Kersschot [0x126d2b80 0x126d2be0] none}: 
	// JSON format:
	js, _ := json.Marshal(vc)
	fmt.Printf("JSON format: %s", js)
	// using an encoder:
	file, _ := os.OpenFile("vcard.json", os.O_CREATE|os.O_WRONLY, 0)
	defer file.Close()
	enc := json.NewEncoder(file)
	err := enc.Encode(vc)
	if err != nil {
		log.Println("Error in encoding json")
	}
}