35 lines
511 B
Go
35 lines
511 B
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
)
|
|
|
|
func main() {
|
|
|
|
c1 := make(chan string, 1)
|
|
go func() {
|
|
time.Sleep(5 * time.Second)
|
|
c1 <- "channel 1 response!"
|
|
}()
|
|
|
|
select {
|
|
case res := <-c1:
|
|
fmt.Println(res)
|
|
case <-time.After(3 * time.Second):
|
|
fmt.Println("channel 1 timeout!")
|
|
}
|
|
|
|
c2 := make(chan string, 1)
|
|
go func() {
|
|
time.Sleep(2 * time.Second)
|
|
c2 <- "channel 2 response!"
|
|
}()
|
|
select {
|
|
case res := <-c2:
|
|
fmt.Println(res)
|
|
case <-time.After(3 * time.Second):
|
|
fmt.Println("timeout 2")
|
|
}
|
|
}
|