Method FutureFunc

library/cpp/threading/future/future_ut.cpp:145–147

            }

            TFuture<int> FutureFunc(const TFuture<int>& future) {
                return MakeFuture(Value += future.GetValue());
            }

            TPromise<void> Signal = NewPromise();
            TFuture<void> FutureVoidFunc(const TFuture<int>& future) {