A small json example using empty interface

Json spike

package main

import (
        "encoding/json"
        "fmt"
)

func main() {

        var i interface{}

        json_data := `{
        "employees": [
        { "firstName":"John" , "lastName":"Doe" },
        { "firstName":"Anna" , "lastName":"Smith" },
        { "firstName":"Peter" , "lastName":"Jones" }
        ]
    }`

        bytes := []byte(json_data)

        json.Unmarshal(bytes, &i)
        fmt.Println(i)
}