struct MyClass {
	MyClass(int data) : data(data) {};
	int data;
	void Serialize(Stream& stream) 	{stream % data;}
};

struct MyClassA : public MyClass {
	MyClassA(int dataA) : dataA(dataA) {data = dataA*2;};
	int dataA;
	void Serialize(Stream& stream) 	{stream % dataA; MyClass::Serialize(stream);}
}

struct MyClassList {
	Array<MyClass> elems;
	void Serialize(Stream& stream) 	{stream % elems;}
};

...
elems.Add(new MyClassA(12));
StoreToFile(elems, "myfile");

template<class T> class WithPolyJson : public WithFactory<T>
template<class T> class WithPolySerial : public WithFactory<T>

template<class T> class PolyXMLUnknown : public T
{
	private:
		String tag;
		String rawXML;
	public:
		PolyXMLUnknown(String const &_tag, String const &xml)
		{
			tag = _tag;
			rawXML = xml;
		}
		
		virtual String const &IsA(void) { return CLASSFACTORY_UNKNOWN; }
		String const &GetUnknownClassName(void) { return tag; }
		
		virtual void Xmlize(XmlIO &xml)
		{
			if(xml.IsStoring())
			{
				XmlNode node = ParseXML(rawXML);
				xml.Add();
				xml.Node() = node;
			}
		}
};

/////////////////////////////////////////////////////////////////
PolyXMLArray tests
/////////////////////////////////////////////////////////////////
Array content before streaming out: 4 classes:
  class #0 is a 'Base'
    BaseData    = 'Sample data in base class'
  class #1 is a 'Derived'
    BaseData    = 'Sample data in derived class'
    DerivedData = 'Another sample data in derived class'
  class #2 is a 'Another'
    BaseData    = 'Sample data in Derived class'
    DerivedData = 'Another sample data in Derived class'
    AnotherData = '12345'
  class #3 is a 'OneMore'
    BaseData    = 'Sample data in OneMore class'
    DerivedData = 'Another sample data in OneMore class'
    AnotherData = '12'
    OneMoreData = '3.1418'

Streamed XML :

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE PolyXMLTest>
<PolyXMLTest>
        <Base>
                <BaseData>Sample data in base class</BaseData>
        </Base>
        <Derived>
                <BaseData>Sample data in derived class</BaseData>
        </Derived>
        <Another>
                <BaseData>Sample data in Derived class</BaseData>
        </Another>
        <OneMore>
                <BaseData>Sample data in OneMore class</BaseData>
        </OneMore>
</PolyXMLTest>

Xmlize(XmlIO xml)

Xmlize(XmlIO &xml)