Function rtrim

src/include/common/string_utils.h:52–57

        return input.substr(begin);
    }
    static std::string rtrim(const std::string& input) {
        auto s = input;
        s.erase(find_if(s.rbegin(), s.rend(), [](unsigned char ch) { return !isspace(ch); }).base(),
            s.end());
        return s;
    }
    static std::string_view rtrim(std::string_view input) {
        auto end = input.size();
        while (end > 0 && isSpace(input[end - 1])) {