Interfaces for inner objects in the structure

struct_interfaces.go

package main

import "fmt"

type (
	Inner struct {
		Name string
	}

	Root struct {
		Obj1 Inner
		Obj2 Inner
	}

	InnerInterface interface {
		SetName(string)
	}
)

func (i *Inner) SetName(name string) {
	i.Name = name
}

func SetName(innerInterface InnerInterface) {
	innerInterface.SetName("new name")
}

func main() {
	r := Root{
		Obj1: Inner{Name: "1"},
		Obj2: Inner{Name: "2"},
	}
	SetName(&r.Obj1)
	fmt.Println(r)
}