Embedded Marshal/Unmarshal

main.go

package main

import (
	"encoding/json"
	"fmt"
)

type Foo struct {
	Bar
	Name string
}

type Bar struct {
	Name int
}

func main() {
	f := &Foo{
		Name: "foo",
		Bar: Bar{
			Name: 5,
		},
	}

	b, err := json.Marshal(f)
	if err != nil {
		panic(err)
	}
	fmt.Println(string(b))

	d := map[string]interface{}{
		"Name": 5,
	}
	b, _ = json.Marshal(d)

	f = &Foo{}

	err = json.Unmarshal(b, f)
	if err != nil {
		panic(err)
	}
	fmt.Println(f)
}