Addition of Two Numbers With Do you want to Continue in Go

A very simple program that I wrote in Go programming language to ask the user to give two numbers and then the program will compute the sum of the two numbers. After which the program will ask the user if the user would like to continue using the program or not.

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Program Listing

package main

import (

"fmt"

"strings"

)

var val1 int32

var val2 int32

var sum int32

func start() {

fmt.Print("\n")

fmt.Print("\tAddition of Two Numbers")

fmt.Print("\n\n")

fmt.Print("\tEnter two numbers: ")

fmt.Scan(&val1,&val2)

sum = (val1+val2)

fmt.Print("\n")

fmt.Println("\tThe sum of",val1, "and",val2 ,"is",sum,".")

fmt.Print("\n")

isConfirmed := Ask4confirm()

if isConfirmed {

  start()

} else

{

 

}

}

func Ask4confirm() bool {

var s string

fmt.Printf("\tDo you want to continue? (Y/N): ")

_, err := fmt.Scan(&s)

if err != nil {

panic(err)

}

s = strings.TrimSpace(s)

s = strings.ToLower(s)

if s == "y" || s == "yes" {

start()

} else {

fmt.Print("\n")

fmt.Print("\tEnd of Program")

    fmt.Print("\n")

}

return false

}

func main() {

    start()

}