OOP and Golang: "Inheritance"

go-oop-inherit.go

package main

import "fmt"

type Foo struct {
	what    string
	howMany int
}

type Bar struct {
	what    string
	howMany int
}

type Doer interface {
	Do() string
}

func (f *Foo) Do() string {
	return fmt.Sprintf("I'm Foo! I'm doing %s %d time(s)", f.what, f.howMany)
}

func (b *Bar) Do() string {
	return fmt.Sprintf("Bar is doing %s %d time(s)", b.what, b.howMany)
}

func GossipGirl(someone Doer) string {
	return fmt.Sprintf("I know that %s", someone.Do())
}

type Gang struct {
	Foo
	Bar
}

func main() {
	doer := &Gang{
		Foo{"sex", 69},
		Bar{"a sandwich", 3},
	}

	fmt.Println(doer.Do())

	// fmt.Println(doer.bar.Do())

	fmt.Println(GossipGirl(doer))
}