sample sync package in go

main.go

package main

import ("fmt"
	"net/http"
	"time"
	"sync"
)

var wg=sync.WaitGroup{}

func main() {
	t:=time.Now()
	var sites =[3]string{"http://oley.com","http://bilyoner.com","http://nesine.com"}
	for _,v:= range sites{
		go func(url string){
		wg.Add(1)

		defer wg.Done()
		r,_:=http.Get(v)

		defer r.Body.Close()

		fmt.Println(r.Status)

		}(v)
	}

	wg.Wait()

	fmt.Println(time.Since(t).String())
}