Function string_tolower

external/zep/src/mcommon/string/stringutils.cpp:18–24

    }

    std::string string_tolower(const std::string& str) {
        std::string copy = str;
        std::transform(copy.begin(), copy.end(), copy.begin(), [](char ch) {
            return (char)::tolower(int(ch));
        });
        return copy;
    }

    std::string string_replace(std::string subject, const std::string& search, const std::string& replace) {
        size_t pos = 0;