reverse an array without using a temp variable

main.go

package main

import "fmt"

func main() {

	v := []int{
		1,
		2,
		3,
		4,
		5,
		6,
		10,
	}

	reverse(v)

}

func reverse(d []int) {
	l := len(d)

	for i := 0; i < (l+1)/2; i++ {
		sum := 0
		if i != l-1-i {
			sum = d[i] + d[l-1-i]

			d[i], d[l-1-i] = sum-d[i], sum-d[l-1-i]

		} else {
			sum = d[i]
		}

	}

	fmt.Println(d)
}