SORT_BY_VALUE, ///< Sort the list based on the value of the item.

		SORT_BY_ITEM,  ///< Sort the list based on the item itself.

	};

	/** Sort ascending */

	static const bool SORT_ASCENDING = true;

	static const bool SORT_DESCENDING = false;

private:

	SorterType sorter_type;       ///< Sorting type

	bool sort_ascending;          ///< Whether to sort ascending or descending

	bool initialized;             ///< Whether an iteration has been started

	int modifications;            ///< Number of modification that has been done. To prevent changing data while valuating.

public:

	 * @param item the item to add. Should be unique, otherwise it is ignored.

	 * @param value the value to assign.

	 */

	void AddItem(int32 item, int32 value);

#else

	void AddItem(int32 item, int32 value = 0);

	/**

	 * Remove a single item from the list.

	 * @param item the item to remove. If not existing, it is ignored.

	 */

	void RemoveItem(int32 item);