Shuffle an array in Golang

shuffle.go

package main

import (
	"fmt"
	"math/rand"
	"time"
)

func main() {
	array := []int{1, 2, 3, 4, 5, 6, 7}
	random(array)
}

func random(array []int) {
	rand.Seed(time.Now().UTC().UnixNano())
	for i := len(array) - 1; i > 0; i-- {
		j := rand.Intn(i + 1)
		array[i], array[j] = array[j], array[i]
	}
	fmt.Println(array)
}