ObjFW  Diff

/**
 * @brief A block for enumerating an OFSet.
 *
 * @param object The current object
 * @param stop A pointer to a variable that can be set to true to stop the
 *             enumeration
 */
typedef void (^of_set_enumeration_block_t)(id object, bool *stop);
typedef void (^OFSetEnumerationBlock)(id object, bool *stop);

/**
 * @brief A block for filtering an OFSet.
 *
 * @param object The object to inspect
 * @return Whether the object should be in the filtered set
 */
typedef bool (^of_set_filter_block_t)(id object);
typedef bool (^OFSetFilterBlock)(id object);
#endif

/**
 * @class OFSet OFSet.h ObjFW/OFSet.h
 *
 * @brief An abstract class for an unordered set of unique objects.
 *

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Executes a block for each object in the set.
 *
 * @param block The block to execute for each object in the set
 */
- (void)enumerateObjectsUsingBlock: (of_set_enumeration_block_t)block;
- (void)enumerateObjectsUsingBlock: (OFSetEnumerationBlock)block;

/**
 * @brief Creates a new set, only containing the objects for which the block
 *	  returns true.
 *
 * @param block A block which determines if the object should be in the new set
 * @return A new, autoreleased OFSet
 */
- (OFSet OF_GENERIC(ObjectType) *)filteredSetUsingBlock:
    (of_set_filter_block_t)block;
- (OFSet OF_GENERIC(ObjectType) *)
    filteredSetUsingBlock: (OFSetFilterBlock)block;
#endif
#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# undef ObjectType
#endif
@end

OF_ASSUME_NONNULL_END

#import "OFMutableSet.h"