rem: List<ITEM, DEFAULT_ITEM_SUPPLIER>::AddItem(const item_t &item)
add: List<ITEM, DEFAULT_ITEM_SUPPLIER>::AddItem(const item_t &item, int32 index)
context: List<ITEM, DEFAULT_ITEM_SUPPLIER>::AddItem(const item_t &item){	bool result = true;	if ((int32)fCapacity > fItemCount) {		new(fItems + fItemCount) item_t(item);		fItemCount++;	} else {		if ((result = _Resize(fItemCount + 1)))			new(fItems + (fItemCount - 1)) item_t(item);	}	return result;}