Go Composition

main,go

package main

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

type (
	AStruct struct {
		Name string
	}

	BStruct struct {
		AStruct
		Color string
	}
)

func (this *AStruct) SetName(name string) {
	this.Name = name
}

func (this *AStruct) GetName() string {
	return this.Name
}

func main() {
	bStruct := BStruct{
		AStruct: AStruct{
			Name: "Jeff",
		},
		Color: "Red",
	}

	jsonBody, err := json.Marshal(bStruct)

	if err != nil {
		log.Fatal(err)
		return
	}

	fmt.Printf("%s\n", jsonBody)
}