Calculate the Greatest Common Denominator using GoLang

gcd.go

package main

import (
	"fmt"
)

// https://www.reddit.com/r/golang/comments/7b4mt9/greatest_common_divisor/

// GreatestCommonDenominator finds the GCD of two ints
func GreatestCommonDenominator(a, b int) int {
	remainder := 0	

	for b != 0 {
		remainder = a % b		
		a, b, remainder = b, remainder, a
	}
	
	return a
}

func main() {
	fmt.Println(GreatestCommonDenominator(0, 128))
}