golang method override

In golang we can do method override. This can be illustrated in the code below:-

package main

import "fmt"

type Animal struct {

    Name string

}

func (a Animal) Speak() {

    fmt.Println("Animal speaks")

}

type Dog struct {

    Animal

}

// Dog can override by defining its own Speak method

func (d Dog) Speak() {

    fmt.Println("Dog barks")

}

func main() {

    dog := Dog{}

    dog.Speak()      // Calls Dog's Speak() - method override

    dog.Animal.Speak() // Calls Animal's Speak() - explicit

}