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- package main
- import "fmt"
- func main() {
- messages := make(chan string)
- signals := make(chan bool)
- select {
- case msg := <-messages:
- fmt.Println("received message", msg)
- default:
- fmt.Println("no message received")
- }
- msg := "hi"
- select {
- case messages <- msg:
- fmt.Println("sent message", msg)
- default:
- fmt.Println("no message sent")
- }
- select {
- case msg := <-messages:
- fmt.Println("received message", msg)
- case sig := <-signals:
- fmt.Println("received signal", sig)
- default:
- fmt.Println("no activity")
- }
- }
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