Function FindUserTypos

library/cpp/getopt/small/last_getopt_parse_result.cpp:169–181

    }

    void FindUserTypos(const TString& arg, const TOpts* options) {
        if (arg.size() < 4 || !arg.StartsWith("-")) {
            return;
        }

        for (auto opt: options->Opts_) {
            for (auto name: opt->GetLongNames()) {
                if ("-" + name == arg) {
                    throw TUsageException() << "did you mean `-" << arg << "` (with two dashes)?";
                }
            }
        }
    }

    void TOptsParseResult::Init(const TOpts* options, int argc, const char** argv) {
        try {