Fix third example test

Author: vardius

example_test.go

@@ -105,14 +105,26 @@ func Example_third() {
 
 	// allocate queue
 	pool := workerpool.New(poolSize)
+	worker := func(s string) {
+		defer wg.Done()
+		defer fmt.Println("job " + s + " is done !")
+		fmt.Println("job " + s + " is running ..")
+	}
 
-	// moc arg
+	// mock arg
 	argx := make([]string, jobsAmount)
 	for j := 0; j < jobsAmount; j++ {
 		argx[j] = "_" + strconv.Itoa(j) + "_"
 	}
 
-	// assign job
+	// start workers
+	for i := 1; i <= workersAmount; i++ {
+		if err := pool.AddWorker(worker); err != nil {
+			panic(err)
+		}
+	}
+
+	// assign jobs
 	for i := 0; i < jobsAmount; i++ {
 		go func(i int) {
 			if err := pool.Delegate(argx[i]); err != nil {
@@ -121,24 +133,25 @@ func Example_third() {
 		}(i)
 	}
 
-	worker := func(s string) {
-		defer wg.Done()
-		defer fmt.Println("job " + s + " is done !")
-		fmt.Println("job " + s + " is running ..")
-	}
-
-	// start workers
-	for i := 1; i <= workersAmount; i++ {
-		if err := pool.AddWorker(worker); err != nil {
-			panic(err)
-		}
-	}
-
 	// clean up
 	wg.Wait()
 	pool.Stop()
 
-	// fmt.Println("# hi: ok?")
-	// Output:
-	// # sq: let-me-check
+	// Unordered output:
+	// job _0_ is running ..
+	// job _0_ is done !
+	// job _1_ is running ..
+	// job _1_ is done !
+	// job _2_ is running ..
+	// job _2_ is done !
+	// job _3_ is running ..
+	// job _3_ is done !
+	// job _4_ is running ..
+	// job _4_ is done !
+	// job _5_ is running ..
+	// job _5_ is done !
+	// job _6_ is running ..
+	// job _6_ is done !
+	// job _7_ is running ..
+	// job _7_ is done !
 }