methods in go code example

Example: go method

package main

import (
	"fmt"
)

type Author interface {
	getAuthor(name string) string
}

type Book struct {
	Name string
}

func (m Book) getAuthor(name string) string {
	return m.Name + name
}

func authorName(ctx Book) {
	fmt.Println(ctx.getAuthor("doe"))
}

func main() {

	var book Book

	book.Name = "john"

	authorName(book)

}