--- a/MonoPlay/Program.cs	Sat Dec 12 22:12:44 2015 +0300
+++ b/MonoPlay/Program.cs	Thu Feb 04 02:43:05 2016 +0300
@@ -7,6 +7,7 @@
 using System.Threading;
 using Implab.JSON;
 using System.IO;
+using System.Threading.Tasks;
 
 namespace MonoPlay {
     class MainClass {
@@ -18,26 +19,22 @@
 
             var t1 = Environment.TickCount;
 
-            for(int i =0; i < 1000000; i++)
-            using (var tw = new StringWriter()) {
-                var jw = new JSONWriter(tw);
-
-                jw.WriteValue("\r\nhere\tvalue\u0002\u0003");
-
-                //Console.WriteLine(tw);
-            }
-
-
+            DoWork().GetAwaiter().GetResult();
 
             var t2 = Environment.TickCount;
             Console.WriteLine("done: {0} ms, {1:.00} Mb, {2} GC", t2 - t1, GC.GetTotalMemory(false) / (1024*1024), GC.CollectionCount(0) );
 
         }
 
-        static void DoTest() {
+        static IPromise<int> DoItem(int x) {
+            return Promise<int>.FromResult(x + 1);
+        }
 
-
-
+        static async Task<int> DoWork() {
+            var c = 0;
+            for (int i = 0; i < 10000000; i++)
+                c = await DoItem(c);
+            return c;
         }
 
     }