package main

import (
    "fmt"
)

type A struct {

}

type B struct {
    A
}

func (a* A) fun1() {
    fmt.Println("I'm in A.fun1()")
    a.fun2()
}

func (a* A) fun2() {
    fmt.Println("I'm in A.fun2()")
}


func (b* B) fun2() {
    fmt.Println("I'm in B.fun2()")
}

func main() {
    b := B{}
    b.fun1()
}

I'm in A.fun1()
I'm in A.fun2()

I'm in A.fun1()
I'm in B.fun2()