closing channel _ golang
浏览数：24 /
时间：2015年06月10日
Closing a channel indicates that no more values will be sent on it. This can be useful to communicate completion to the channel's receivers.
package main import ( "fmt" ) func main() { jobs := make(chan int, 5) done := make(chan bool) go func() { for { j, more := <-jobs if more { fmt.Println("received job", j) } else { fmt.Println("received all jobs") done <- true return } } }() for j := 1; j <= 3; j++ { jobs <- j fmt.Println("sent job", j) } close(jobs) fmt.Println("sent all jobs") fmt.Println("<-done", <-done) }
sent job 1 sent job 2 sent job 3 sent all jobs received job 1 received job 2 received job 3 received all jobs <-done true
总结 :
1 :....
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