38 using ReplyElem =
typename ScanReplyElem<scan_tag>::type;
40 virtual ~RequestScanDataBase() =
default;
42 void SetRequestDescription(std::string request_description) {
43 request_description_ = std::move(request_description);
46 virtual ReplyElem Get() = 0;
48 virtual ReplyElem& Current() = 0;
50 virtual bool Eof() = 0;
54 std::string request_description_;