--- a/Implab/PromiseExtensions.cs	Fri Apr 13 00:44:57 2018 +0300
+++ b/Implab/PromiseExtensions.cs	Fri Apr 13 03:57:39 2018 +0300
@@ -211,6 +211,15 @@
             }));
         }
 
+        public static PromiseAwaiter GetAwaiter(this IPromise that) {
+            Safe.ArgumentNotNull(that, nameof(that));
+            return new PromiseAwaiter(that);
+        }
+
+        public static PromiseAwaiter<T> GetAwaiter<T>(this IPromise<T> that) {
+            Safe.ArgumentNotNull(that, nameof(that));
+            return new PromiseAwaiter<T>(that);
+        }
 
     }
 }