initial commit

channel-sync/channelsync.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+//we can use channels to synchronize execution across goroutines.
+//here is an example of using a blocking receive to wait for a goroutine
+//to finish whenwaiting for multiple goroutines to finish you may prefer to use a WaitGroup
+
+
+//This is the function we'll run in a goroutine.
+//the done channel will be used to notify another
+//goroutine that this function's work is done
+func worker(done chan bool) {
+	fmt.Print("working...")
+	time.Sleep(time.Second)
+	fmt.Println("done")
+
+	//start a worker goroutine, giving it the channel to notify on.
+	done <- true
+}
+
+func main(){
+	done := make(chan bool,1)
+	go worker(done)
+
+	//block until we receive a notification from the worker on the channel
+	<-done
+}