mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-14 04:49:05 +00:00
edc38c77fe
Summary: Issue fixed: #655 - [x] All tests pass. Demo project builds and runs. - [ ] I added tests, an experiment, or detailed why my change isn't tested. - [ ] I added an entry to the `CHANGELOG.md` for any breaking changes, enhancements, or bug fixes. - [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/.github/CONTRIBUTING.md) I've also addressed a few cases where there was no empty line between the `param`s and `return`. Closes https://github.com/Instagram/IGListKit/pull/665 Differential Revision: D4906215 Pulled By: jessesquires fbshipit-source-id: 5693c85eb548644b0b0e2571eea8ff4d9f706b12
62 lines
2.1 KiB
Objective-C
62 lines
2.1 KiB
Objective-C
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <Foundation/Foundation.h>
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#import <IGListKit/IGListDiffable.h>
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#import <IGListKit/IGListIndexPathResult.h>
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#import <IGListKit/IGListIndexSetResult.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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An option for how to do comparisons between similar objects.
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*/
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typedef NS_ENUM(NSInteger, IGListDiffOption) {
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/**
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Compare objects using pointer personality.
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*/
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IGListDiffPointerPersonality,
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/**
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Compare objects using `-[IGListDiffable isEqualToDiffableObject:]`.
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*/
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IGListDiffEquality
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};
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/**
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Creates a diff using indexes between two collections.
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@param oldArray The old objects to diff against.
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@param newArray The new objects.
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@param option An option on how to compare objects.
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@return A result object containing affected indexes.
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*/
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FOUNDATION_EXTERN IGListIndexSetResult *IGListDiff(NSArray<id<IGListDiffable>> *_Nullable oldArray,
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NSArray<id<IGListDiffable>> *_Nullable newArray,
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IGListDiffOption option);
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/**
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Creates a diff using index paths between two collections.
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@param fromSection The old section.
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@param toSection The new section.
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@param oldArray The old objects to diff against.
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@param newArray The new objects.
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@param option An option on how to compare objects.
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@return A result object containing affected indexes.
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*/
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FOUNDATION_EXTERN IGListIndexPathResult *IGListDiffPaths(NSInteger fromSection,
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NSInteger toSection,
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NSArray<id<IGListDiffable>> *_Nullable oldArray,
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NSArray<id<IGListDiffable>> *_Nullable newArray,
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IGListDiffOption option);
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NS_ASSUME_NONNULL_END
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