Created
September 27, 2021 15:54
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func main() { | |
// For our example we'll select across two channels. | |
c1 := make(chan string) | |
c2 := make(chan string) | |
// Each channel will receive a value after some amount | |
// of time, to simulate e.g. blocking RPC operations | |
// executing in concurrent goroutines. | |
go func() { | |
time.Sleep(1 * time.Second) | |
c1 <- "one" | |
}() | |
go func() { | |
time.Sleep(2 * time.Second) | |
c2 <- "two" | |
}() | |
// We'll use `select` to await both of these values | |
// simultaneously, printing each one as it arrives. | |
for i := 0; i < 2; i++ { | |
select { | |
case msg1 := <-c1: | |
fmt.Println("received", msg1) | |
case msg2 := <-c2: | |
fmt.Println("received", msg2) | |
} | |
} | |
} |
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