 
 //        print("testAsyncBarrierFunction() @ \(#line): v enter main test loop (will execute \(IterationsOfBarrierTest) times)")
 
-        for i in 0..<IterationsOfBarrierTest {
+        for _ in 0..<IterationsOfBarrierTest {
 //            print("testAsyncBarrierFunction() @ \(#line) (\(i+1)/\(IterationsOfBarrierTest)): creating semaphore")
 
             let semaphore = NSCondition()


//            print("testBarrierWithSemaphore() @ \(#line)")

            for i in 0..<IterationsPerBarrierStage {
//                print("testBarrierWithSemaphore() @ \(#line) (\(i+1)/\(self.IterationsPerBarrierStage)): v enter async {} -- postBarrierStage")

                async {


//            print("testBarrierWithSemaphore() @ \(#line)")

            for _ in 0..<IterationsPerBarrierStage {
//                print("testBarrierWithSemaphore() @ \(#line) (\(i+1)/\(self.IterationsPerBarrierStage)): v enter asyncBarrier {} -- inBarrierStage")

                asyncBarrier {
