embed strcut and pointer example 3

EmbedStruct3.go

package main

import (
	"encoding/json"
	"fmt"
	"log"
)

type MyResponseRoot struct {
	Version string `json:"version,omitempty"`
	Text    string `json:"text,omitempty"`
}

type Server struct {
	Name string `json:"name,omitempty"`
	MyResponseRoot
}

// setName if * pointer = ok
func (server *Server) setData(newName string, version string) {
	server.Name = newName
	server.Version = version
}

func main() {
	fmt.Println("/////---------- example 1")
	server := Server{
		Name: "John",
	}
	fmt.Println(server.Name)

	fmt.Println("/////---------- example 2")
	co := Server{
		MyResponseRoot: MyResponseRoot{
			Version: "1",
		},
		Name: "some name",
	}
	fmt.Println(co.Version) //result 1
	//fmt.Println(co.name)
	fmt.Println(server.Version) // result  ""

	fmt.Println("/////---------- example 3")

	server.setData("Jack", "3")
	fmt.Println(server.Name)
	fmt.Println(server.Version) // result 3

	empJSON, err := json.MarshalIndent(server.MyResponseRoot, "", "  ")
	if err != nil {
		log.Fatalf(err.Error())
	}
	fmt.Printf("MarshalIndent funnction output\n %s\n", string(empJSON))
}