iterate_vs_recurse.go

package main

import (
	"fmt"
)

func main() {
	  		
	x := 10
	fmt.Println(sum_i(x))
	fmt.Println(sum_r(x))
	
}

//iterate
func sum_i(x int) int{
	sum := 0
	for x > 0{
		sum = sum + x
		x = x - 1
	}
	return sum
}
 

//recurse
func sum_r(x int) int{	
	if x < 0{
		return 0
	}
	return x + sum_r(x - 1)
}