--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/FuncChainTask.cs	Sun Mar 08 02:52:27 2015 +0300
@@ -0,0 +1,21 @@
+using System;
+
+namespace Implab {
+    public class FuncChainTask<TResult> : FuncChainTaskBase<TResult>, IDeferred {
+        readonly Func<IPromise<TResult>> m_task;
+
+        public FuncChainTask(Func<IPromise<TResult>> task, Func<Exception, IPromise<TResult>> error, Func<Exception, IPromise<TResult>> cancel) : base(error, cancel){
+            m_task = task;
+        }
+
+        public void Resolve() {
+            if (m_task != null && LockCancelation()) {
+                try {
+                    Observe(m_task());
+                } catch (Exception err) {
+                    HandleErrorInternal(err);
+                }
+            }
+        }
+    }
+}
\ No newline at end of file