Method DistrCmdComplete

library/cpp/par/par_exec.h:80–86

            }
        }
        void DistrCmdComplete(int reqId, TVector<char>* res) override {
            if (res)
                res->swap(ResultData[reqId]);
            else
                Cancel();
            DoneReduceTask();
        }
        bool IsDistrCmdNeeded() override {
            return NeedResult();
        }