Golang golang-sum of digits (snippet)

Go programming example 'golang-sum of digits'

golang-sum of digits

Golang beginners example: golang-sum of digits

package main

import (
    "bufio"
    "fmt"
    "os"
    "strconv"
    "strings"
)

func main() {
    fmt.Print("Enter digits to sum separated by a space:")
    str, err := getline()
    if err == nil {
        fmt.Println("Here is the result:", sumNumbers(str))
    }
}

func getline() (string, error) {
    return bufio.NewReader(os.Stdin).ReadString('\n')
}

func sumNumbers(str string) float64 {
    var sum float64
    for _, v := range strings.Fields(str) {
        i, err := strconv.ParseFloat(v, 64)
        if err != nil {
            fmt.Println(err)
        } else {
            sum += i
        }
    }
    return sum
}

Useful links

• Learn Go: https://golangr.com
• Download Go: https://golang.org