How to call child methods from parent methods

override.go

package main

import "fmt"

type parent struct {
	b func() string
}

func (p *parent) a() string {
	if p.b == nil {
		return "not implemented yet: #b"
	}

	return p.b()
}

type child struct {
	parent
}

func (c *child) b() string {
	return "child"
}

func main() {
	c := &child{}
	c.parent.b = c.b
	fmt.Println(c.a())
}