go select语句的用法和作用
2021/6/27 6:17:28
本文主要是介绍go select语句的用法和作用,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
package main import( "time" "fmt" ) func main() { //start := time.Now() ch1 := make(chan int) ch2 := make(chan int) go func() { time.Sleep(2 * time.Second) ch1 <- 3 }() go func() { time.Sleep(3 * time.Second) ch2 <- 5 }() fmt.Println("blocking on read...") select { case <-ch1: fmt.Printf("ch1 case...\n") case <-ch2: fmt.Printf("ch2 case...\n") } }
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