ObjFW  Diff

 */
struct of_map_table_functions_t {
	/** The function to retain keys / objects */
	void *_Nullable (*_Nullable retain)(void *_Nullable object);
	/** The function to release keys / objects */
	void (*_Nullable release)(void *_Nullable object);
	/** The function to hash keys */
	uint32_t (*_Nullable hash)(void *_Nullable object);
	unsigned long (*_Nullable hash)(void *_Nullable object);
	/** The function to compare keys / objects */
	bool (*_Nullable equal)(void *_Nullable object1,
	    void *_Nullable object2);
};
typedef struct of_map_table_functions_t of_map_table_functions_t;

#ifdef OF_HAVE_BLOCKS

 *	  and objects should be retained, released, compared and hashed.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFMapTable: OFObject <OFCopying, OFFastEnumeration>
{
	of_map_table_functions_t _keyFunctions, _objectFunctions;
	struct of_map_table_bucket *_Nonnull *_Nullable _buckets;
	uint32_t _count, _capacity;
	uint8_t _rotate;
	unsigned long _count, _capacity;
	unsigned char _rotate;
	unsigned long _mutations;
}

/**
 * @brief The key functions used by the map table.
 */
@property (readonly, nonatomic) of_map_table_functions_t keyFunctions;

 * @brief A class which provides methods to enumerate through an OFMapTable's
 *	  keys or objects.
 */
@interface OFMapTableEnumerator: OFObject
{
	OFMapTable *_mapTable;
	struct of_map_table_bucket *_Nonnull *_Nullable _buckets;
	uint32_t _capacity;
	unsigned long _mutations;
	unsigned long *_Nullable _mutationsPtr;
	unsigned long _capacity, _mutations, *_Nullable _mutationsPtr;
	unsigned long _position;
	uint32_t _position;
}

- (instancetype)init OF_UNAVAILABLE;

/**
 * @brief Returns a pointer to the next object, or NULL if the enumeration
 *	  finished.