Исходники и презентации

lessons/channels/select/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func async1() chan string {
+	ch := make(chan string)
+	go func() {
+		time.Sleep(1 * time.Second)
+		ch <- "async1 result"
+	}()
+	return ch
+}
+
+func async2() chan string {
+	ch := make(chan string)
+	go func() {
+		time.Sleep(1 * time.Second)
+		ch <- "async2 result"
+	}()
+	return ch
+}
+
+func main() {
+	ch1 := async1()
+	ch2 := async2()
+
+	select {
+	case result := <-ch1:
+		fmt.Println(result)
+	case result := <-ch2:
+		fmt.Println(result)
+	}
+}