package main

import (
	"encoding/json"
	"fmt"
)
func main() {
	type inner struct {
	  Name string `bson: "name" json:"name"`
	}

	type outer struct {
	  inner
	}

	i := outer{inner{Name: "test"}}

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

	fmt.Println(string(b)) . // {"name":"test"}
}