Method add

tutorials/common/tutorial/benchmark.cpp:47–53

  }

  void add(std::vector<std::string> const& args)
  {
    for (std::string const& str : args) {
      auto pair = string_pool.emplace(std::unique_ptr<std::string>{new std::string(str)});
      cl->emplace_back(&(*pair.first->get())[0]);
    }
  }

  int argc() { return cl->size(); }
  char** argv() { return cl->data(); }