Исходники и презентации

lessons/channels/broadcast/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+)
+
+func notifier(signals chan int) {
+	close(signals)
+}
+
+func subscriber(signals chan int) {
+	<-signals
+	fmt.Println("signaled")
+}
+
+func main() {
+	signals := make(chan int)
+	wg := sync.WaitGroup{}
+	wg.Add(3)
+
+	go func() {
+		defer wg.Done()
+		notifier(signals)
+	}()
+
+	go func() {
+		defer wg.Done()
+		subscriber(signals)
+	}()
+
+	go func() {
+		defer wg.Done()
+		subscriber(signals)
+	}()
+
+	wg.Wait()
+}