Method ForEachParam

libs/coding/url.hpp:29–33

  template <class FnT>
  void ForEachParam(FnT && fn) const
  {
    for (auto const & p : m_params)
      fn(p.first, p.second);
  }

  using Param = std::pair<std::string, std::string>;
  Param const * GetLastParam() const { return m_params.empty() ? nullptr : &m_params.back(); }