Method Add

tools/archiver/main.cpp:235–239

    struct TDuplicatesMap {
        void Add(const TString& fname, const TString& rname) {
            Y_ENSURE(!InitialFillingDone);
            FileNames.push_back(fname);
            FileNameToRecordName[fname] = rname;
        }

        void Finish() {
            Y_ENSURE(!InitialFillingDone);