Bubble Sort Exercise in GoLang

sort.go

package main

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

func main() {
	
	numbers := []int{}
	numbers = populateNumbers(strings.Fields(readUserInput()), numbers)
	BubbleSort(numbers)
	fmt.Println("Sorted numbers = ", numbers)
}

func readUserInput() string{
	fmt.Print("Enter numbers to be sorted separated by space (only upto 10 allowed) :")
	in := bufio.NewReader(os.Stdin)
	line, inerr := in.ReadString('\n')
	if(inerr != nil){
		panic(inerr)
	}
	return line
}

func populateNumbers(inputs []string, numbers []int) []int{

	if(len(inputs)>10){
		log.Fatal("Only upto 10 inputs allowed")
	}

	for _, i := range inputs {
		n, err := strconv.Atoi(i)
		if err != nil {
			panic(err)
		}
		numbers = append(numbers, n)
	}
	return numbers
}

func BubbleSort(numbers []int) {
	for idx := 0; idx < len(numbers)-1; idx++ {		
		if(numbers[idx] > numbers[idx+1]){
			Swap(numbers, idx)
		}
	}
	if(len(numbers)>=2){
		BubbleSort(numbers[:len(numbers)-1])
	}
}

func Swap(numbers []int, idx int) {
	temp := numbers[idx]
	numbers[idx] = numbers[idx+1]
	numbers[idx+1] = temp
}