Function join

subprojects/llama.cpp/tools/llama-bench/llama-bench.cpp:80–89

}

template <class T> static std::string join(const std::vector<T> & values, const std::string & delim) {
    std::ostringstream str;
    for (size_t i = 0; i < values.size(); i++) {
        str << values[i];
        if (i < values.size() - 1) {
            str << delim;
        }
    }
    return str.str();
}

template <typename T, typename F> static std::vector<std::string> transform_to_str(const std::vector<T> & values, F f) {
    std::vector<std::string> str_values;