quicktype在线工具：将JSON自动转为各种编程语言

{
  "greeting": "Welcome to quicktype!",
  "instructions": [
    "Type or paste JSON here",
    "Or choose a sample above",
    "quicktype will generate code in your",
    "chosen language to parse the sample data"
  ]
}

extern crate serde_derive;

#[derive(Serialize, Deserialize)]
pub struct Welcome {
    greeting: String,
    instructions: Vec<String>,
}

package main

import "encoding/json"

func UnmarshalWelcome(data byte) (Welcome, error) {
    var r Welcome
    err := json.Unmarshal(data, &r)
    return r, err
}

func (r *Welcome) Marshal() (byte, error) {
    return json.Marshal(r)
}

type Welcome struct {
    Greeting     string   <code>json:"greeting"</code>    
    Instructions string <code>json:"instructions"</code>
}