packagemain

import(
	"fmt"
	"time"
)

funcmain(){
	test_chan2()
}

functest_chan2(){
	c:=make(chan[]int,10)
	fmt.Printf("len1%v\n",len(c))

	//fmt.Printf("chanel%v\n",<-c)
	//close(c)
	c<-[]int{1,2,10}
	c<-[]int{3,4,5}
	c<-[]int{5,6,7}

	gofunc(){
		for{
			select{

			casexx:=<-c:
				fmt.Printf("value%v,len%v\n",xx,len(c))
			}

		}
	}()

	time.Sleep(5*time.Second)

	fmt.Printf("chanel%v\n",len(c))
}

//输出结果为:
len10
value[1210],len2
value[345],len1
value[567],len0
len20