Simple JSON-to-Struct-Example in Golang

json-to-struct.go

package main

import (
	"encoding/json"
	"fmt"
)

type Fleet struct {
	Cars      []Car
	Countries []string
}

type Car struct {
	Model  string
	Serial string
	PS     float64
}

var exampleJSON = []byte(`
{
   "cars":[
	  {
		 "model":"A3",
		 "serial":"xx6665",
		 "ps":514
	  },
	  {
		 "model":"X",
		 "serial":"ab4321",
		 "ps":320
	  }
   ],
   "countries":[
	  "DE",
	  "AT",
	  "ES",
	  "CZ",
	  "HR"
   ]
}`)

func main() {
	var myFleet Fleet
	err := json.Unmarshal(exampleJSON, &myFleet)
	if err != nil {
		panic(err)
	}
	fmt.Println(myFleet)
	fmt.Println(myFleet.Cars[0].Model)
	fmt.Println(myFleet.Cars[1].PS)
	fmt.Println(myFleet.Cars[0].Serial)

}