Function QuoteForHelp

library/cpp/getopt/small/last_getopt_opts.cpp:38–46

Like TString::Quote(), but does not quote digits-only string

    // Like TString::Quote(), but does not quote digits-only string
    static TString QuoteForHelp(const TString& str) {
        if (str.empty())
            return str.Quote();
        for (size_t i = 0; i < str.size(); ++i) {
            if (!isdigit(str[i]))
                return str.Quote();
        }
        return str;
    }

    namespace NPrivate {
        TString OptToString(char c) {