source: doc/papers/concurrency/examples/channels.go@ 2c3562d

package main
import "fmt"
func main() {
        type Msg struct{ i, j int }

        ch1 := make( chan int )
        ch2 := make( chan float32 )
        ch3 := make( chan Msg )
        hand := make( chan string )
        shake := make( chan string )
        gortn := func() { // thread starts
                var i int;  var f float32;  var m Msg
                L: for {
                        select { // wait for message
                          case i = <- ch1: fmt.Println( i )
                          case f = <- ch2: fmt.Println( f )
                          case m = <- ch3: fmt.Println( m )
                          case <- hand: break L // sentinel
                        }
                }
                shake <- "SHAKE" // completion
        }

        go gortn() // start thread
        ch1 <- 0 // different messages
        ch2 <- 2.5
        ch3 <- Msg{1, 2}
        hand <- "HAND" // sentinel value
        <- shake // wait for completion
}

// Local Variables: //
// tab-width: 4 //
// compile-command: "go run channels.go" //
// End: //