mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-09-04 03:40:45 +00:00
31 lines
1.0 KiB
Objective-C
31 lines
1.0 KiB
Objective-C
//
|
|
// NSIndexSet+ASHelpers.h
|
|
// AsyncDisplayKit
|
|
//
|
|
// Created by Adlai Holler on 6/23/16.
|
|
// Copyright © 2016 Facebook. All rights reserved.
|
|
//
|
|
|
|
#import <Foundation/Foundation.h>
|
|
|
|
@interface NSIndexSet (ASHelpers)
|
|
|
|
- (NSIndexSet *)as_indexesByMapping:(NSUInteger (^)(NSUInteger idx))block;
|
|
|
|
- (NSIndexSet *)as_intersectionWithIndexes:(NSIndexSet *)indexes;
|
|
|
|
/// Returns all the item indexes from the given index paths that are in the given section.
|
|
+ (NSIndexSet *)as_indexSetFromIndexPaths:(NSArray<NSIndexPath *> *)indexPaths inSection:(NSUInteger)section;
|
|
|
|
/// If you've got an old index, and you insert items using this index set, this returns the change to get to the new index.
|
|
- (NSUInteger)as_indexChangeByInsertingItemsBelowIndex:(NSUInteger)index;
|
|
|
|
- (NSString *)as_smallDescription;
|
|
|
|
/// Returns all the section indexes contained in the index paths array.
|
|
+ (NSIndexSet *)as_sectionsFromIndexPaths:(NSArray<NSIndexPath *> *)indexPaths;
|
|
|
|
- (NSArray<NSIndexPath *> *)as_filterIndexPathsBySection:(id<NSFastEnumeration>)indexPaths;
|
|
|
|
@end
|