golang channel的长度
发布时间:2020-12-16 18:36:46 所属栏目:大数据 来源:网络整理
导读:packagemainimport("fmt""time")funcmain(){test_chan2()}functest_chan2(){c:=make(chan[]int,10)fmt.Printf("len1%vn",len(c))//fmt.Printf("chanel%vn",-c)//close(c)c-[]int{1,2,10}c-[]int{3,4,5}c-[]int{5,6,7}gofunc(){for{select{casexx:=-c:fmt.P
packagemain import( "fmt" "time" ) funcmain(){ test_chan2() } functest_chan2(){ c:=make(chan[]int,10) fmt.Printf("len1%vn",len(c)) //fmt.Printf("chanel%vn",<-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%vn",xx,len(c)) } } }() time.Sleep(5*time.Second) fmt.Printf("chanel%vn",len(c)) } //输出结果为: len10 value[1210],len2 value[345],len1 value[567],len0 len20 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |