class SomeClass
{
  double d;
  Vector<double> vd;

  void Xmlize(XmlIO xml)
  {
    String sd;
    Vector<String> svd;
	
    if (xml.IsStoring())
    {
      sd = AsString(d);
      int n = vd.GetCount();
      for (int i = 0; i < n; ++i)
        svd.Add(AsString(vd[i]));
    }

    xml
     ("d", sd)
     ("vd", svd)
    ;
	
    if (xml.IsLoading())
    {
    // now what???
    }
  }
}