Duck Typing Example in Golang

DuckTypingExample.go

package main

import "fmt"

type Speaker interface {
        Say(string)
}


type Person struct {
        name string
}

func (p *Person) Say(message string) {
        fmt.Println(p.name + ":" , message)
}


func SpeakAlphabet(via Speaker) {
        via.Say("abcdefgh")
}

func main() {
        mat := new(Person)
        mat.name = "Mat"
        SpeakAlphabet(mat)
}