Wait for group + routines Golang

wg_routines.go

package main

import (
	"fmt"
	"sync"
)

func main() {
	var wg = sync.WaitGroup{}
	for v := range []int{1, 2, 3, 4, 5, 6} {
		wg.Add(1)
		go (func(v int) {
			fmt.Println(v)
			wg.Done()
		})(v)
	}
	wg.Wait()
}