concurrent goroutines

gobyexample/select.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	c1 := make(chan string)
+	c2 := make(chan string)
+
+	go func() {
+		time.Sleep(1 * time.Second)
+		c1 <- "one"
+	}()
+
+	go func() {
+		time.Sleep(2 * time.Second)
+		c1 <- "two"
+	}()
+
+	for i := 0; i < 2; i++ {
+		select {
+			case msg1 := <-c1:
+				fmt.Println("received", msg1)
+			case msg2 := <-c2:
+				fmt.Println("received", msg2)
+		}
+	}
+}