--- a/Implab/IPromise.cs	Tue Jan 23 19:39:21 2018 +0300
+++ b/Implab/IPromise.cs	Wed Jan 24 03:03:21 2018 +0300
@@ -9,42 +9,29 @@
         /// <summary>
         /// Тип результата, получаемого через данное обещание.
         /// </summary>
-        Type PromiseType { get; }
+        Type ResultType { get; }
 
         /// <summary>
         /// Обещание является выполненым, либо успешно, либо с ошибкой, либо отменено.
         /// </summary>
-        bool IsResolved { get; }
+        bool IsFulfilled { get; }
 
-        /// <summary>
-        /// Обещание было отменено.
-        /// </summary>
-        bool IsCancelled { get; }
+        bool IsRejected { get; }
+
+        bool IsResolved { get; }
 
         /// <summary>
         /// Исключение возникшее в результате выполнения обещания, либо причина отмены.
         /// </summary>
-        Exception Error { get; }
+        Exception RejectReason { get; }
 
         /// <summary>
         /// Adds specified listeners to the current promise.
         /// </summary>
         /// <param name="success">The handler called on the successful promise completion.</param>
         /// <param name="error">The handler is called if an error while completing the promise occurred.</param>
-        /// <param name="cancel">The handler is called in case of promise cancellation.</param>
         /// <returns>The current promise.</returns>
-        IPromise On(Action success, Action<Exception> error, Action<Exception> cancel);
-        IPromise On(Action success, Action<Exception> error);
-        IPromise On(Action success);
-
-        /// <summary>
-        /// Adds specified listeners to the current promise.
-        /// </summary>
-        /// <param name="handler">The handler called on the specified events.</param>
-        /// <param name = "events">The combination of flags denoting the events for which the
-        /// handler shoud be called.</param>
-        /// <returns>The current promise.</returns>
-        IPromise On(Action handler, PromiseEventType events);
+        void On(Action success, Action<Exception> error);
 
         /// <summary>
         /// Преобразует результат обещания к заданному типу и возвращает новое обещание.