struct Item {
	String name;	
};

struct Collection : public Item
{
	Array<Item> items;
};

GUI_APP_MAIN
{
        // Example 1
	Array<Item> array;
	array.Create<Collection>().items.Add();

        // Example 2
	Collection *col = new Collection();
	col->items.Add();
	Item *item = (Item *)col;
	delete item;
}