Go言語で構造体をjsonに変換するSnippet

package main

import (
	"bytes"
	"encoding/json"
)

type Person struct {
	Name   string
	Age    int
	Friend *Person
}

func main() {
	friend := Person{"john", 40, nil}
	person := Person{"paul", 71, &friend}

	var buf bytes.Buffer
	b, _ := json.Marshal(person)
	buf.Write(b)
	println(buf.String())
}
{"Name":"paul","Age":71,"Friend":{"Name":"john","Age":40,"Friend":null}}

関連 : Go言語で構造体をXMLに変換するsnippet - brainstorm