Method _update_current

include/cripts/Certs.hpp:486–492

    private:
      void
      _update_current() const
      {
        if (_san && !_ended) {
          _current = std::make_tuple(_san->_sans[_index - 1]->sanType(), cripts::Certs::String(*_iter));
        }
      }

      void _advance();