package main

import "fmt"

type a interface {
}
type b interface {
}

type Stu struct {
}

func (s Stu) a() {
	fmt.Println("aa")

}
func (s Stu) b() {
	fmt.Println("bbb")
}
func main() {
	var s Stu
	var a = s
	var b = s
	a.b()
	b.a()
}