Function Join

src/UTF8Util.hpp:330–342

* Joins a std::string vector in to a std::string with a separator. */

   * Joins a std::string vector in to a std::string with a separator.
   */
  static std::string Join(const std::vector<std::string>& strings,
                          const std::string& separator) {
    std::ostringstream buffer;
    bool first = true;
    for (const auto& str : strings) {
      if (!first) {
        buffer << separator;
      }
      buffer << str;
      first = false;
    }
    return buffer.str();
  }

  /**
   * Joins a std::string vector in to a std::string.