Create array using struct in golang

array-using-struct.go

package main

import (
	"encoding/json"
	"fmt"
)

type Users struct {
	Fullname string `json:fullname`
	Phone    int    `json:phone`
	Cars     []Cars `json:cars`
}

type Cars struct {
	Model   string `json:model`
	Brand   string `json:brand`
	PlateNo string `json:plate_no`
}

func main() {

	var user Users

	user.Fullname = "Abu"
	user.Phone = 60123456789

	user.Cars = append(user.Cars, Cars{
		Model:   "GTR",
		Brand:   "Nissan",
		PlateNo: "ARP 1234",
	})

	user.Cars = append(user.Cars, Cars{
		Model:   "Skyline",
		Brand:   "Nissan",
		PlateNo: "ARP 1233",
	})

	b, err := json.Marshal(user)

	if err != nil {
		fmt.Println("Unable to convert the struct to a JSON string")
	}

	fmt.Println(string(b))
}