IGListIndexSetResult

Objective-C


@interface IGListIndexSetResult : NSObject

Swift

class ListIndexSetResult : NSObject

A result object returned when diffing with indexes.

  • The indexes inserted into the new collection.

    Declaration

    Objective-C

    @property (nonatomic, strong, readonly) NSIndexSet *_Nonnull inserts;

    Swift

    var inserts: IndexSet { get }

  • The indexes deleted from the old collection.

    Declaration

    Objective-C

    @property (nonatomic, strong, readonly) NSIndexSet *_Nonnull deletes;

    Swift

    var deletes: IndexSet { get }

  • The indexes in the old collection that need updated.

    Declaration

    Objective-C

    @property (nonatomic, strong, readonly) NSIndexSet *_Nonnull updates;

    Swift

    var updates: IndexSet { get }

  • The moves from an index in the old collection to an index in the new collection.

    Declaration

    Objective-C

    @property (nonatomic, copy, readonly) NSArray<IGListMoveIndex *> *_Nonnull moves;

    Swift

    var moves: [ListMoveIndex] { get }

  • A Read-only boolean that indicates whether the result has any changes or not. YES if the result has changes, NO otherwise.

    Declaration

    Objective-C

    @property (nonatomic, readonly) BOOL hasChanges;

    Swift

    var hasChanges: Bool { get }

  • Returns the index of the object with the specified identifier before the diff.

    See

    -[IGListDiffable diffIdentifier].

    Declaration

    Objective-C

    - (NSInteger)oldIndexForIdentifier:(nonnull id<NSObject>)identifier;

    Swift

    func oldIndex(forIdentifier identifier: any NSObjectProtocol) -> Int

    Parameters

    identifier

    The diff identifier of the object.

    Return Value

    The index of the object before the diff, or NSNotFound.

  • Returns the index of the object with the specified identifier after the diff.

    See

    -[IGListDiffable diffIdentifier].

    Declaration

    Objective-C

    - (NSInteger)newIndexForIdentifier:(nonnull id<NSObject>)identifier;

    Swift

    func newIndex(forIdentifier identifier: any NSObjectProtocol) -> Int

    Parameters

    identifier

    The diff identifier of the object.

    Return Value

    The index path of the object after the diff, or NSNotFound.

  • Creates a new result object with operations safe for use in UITableView and UICollectionView batch updates.

    Declaration

    Objective-C

    - (nonnull IGListIndexSetResult *)resultForBatchUpdates;

    Swift

    func forBatchUpdates() -> ListIndexSetResult