go-structs.go

package main

import (
	"fmt"
)

//declaring a struct
type Book struct {

	//defining struct variables
	name   string
	author string
	pages  int
}

//function to print book details
func (book Book) print_details() {

	fmt.Printf("Book %s was written by %s", book.name, book.author)
	fmt.Printf("\nIt contains %v pages. \n", book.pages)
}

//main function

func main() {

	//declaring struct instance

	book1 := Book{"Monster blood", "R.L.Stine", 131}

	//printing details of book1
	book1.print_details()

	//book2 := Book{"high", "john", 344}

	// modifying book1 details
	book1.name = "Vampire Breath"
	book1.pages = 162

	//Printing modified book details

	book1.print_details()

}