简单的go程序

package main

import (
	"fmt"
	"sync"
)

var wg sync.WaitGroup

func printer(ch chan int)  {
	for i := range ch {
		fmt.Println("Receive ",i)
	}
	wg.Done()
}

func main()  {
	c := make(chan int)
	go printer(c)
	wg.Add(1)

	for i := 1;i<= 10; i ++ {
		c <- i
	}

	close(c)
	wg.Wait()


}