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* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses) With permission of the Facebook Open Source team, we are simplifying the Texture license so that clients can rely on the Apache 2 terms that most of Texture is already covered by. This means that code originally forked from AsyncDisplayKit will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a PATENTS file. After getting confirmation that the updates to these core files look good, we'll propagate this new license header to all files (in this same PR) and get sign-off from all parties before landing. * [License] Update all Texture source files to be pure Apache 2. * Changelog entry for Apache 2 license update. * Revert "[License] Update all Texture source files to be pure Apache 2." This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b. * [License] Update all Texture source files to be pure Apache 2, maintaining copyrights. * [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
51 lines
1.5 KiB
Objective-C
51 lines
1.5 KiB
Objective-C
//
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// ASWeakSet.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* A class similar to NSSet that stores objects weakly.
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* Note that this class uses NSPointerFunctionsObjectPointerPersonality –
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* that is, it uses shifted pointer for hashing, and identity comparison for equality.
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*/
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AS_SUBCLASSING_RESTRICTED
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@interface ASWeakSet<__covariant ObjectType> : NSObject<NSFastEnumeration>
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/// Returns YES if the receiver is empty, NO otherwise.
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@property (nonatomic, readonly, getter=isEmpty) BOOL empty;
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/// Returns YES if `object` is in the receiver, NO otherwise.
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- (BOOL)containsObject:(ObjectType)object AS_WARN_UNUSED_RESULT;
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/// Insets `object` into the set.
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- (void)addObject:(ObjectType)object;
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/// Removes object from the set.
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- (void)removeObject:(ObjectType)object;
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/// Removes all objects from the set.
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- (void)removeAllObjects;
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/// Returns a standard *retained* NSArray of all objects. Not free to generate, but useful for iterating over contents.
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- (NSArray<ObjectType> *)allObjects AS_WARN_UNUSED_RESULT;
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/**
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* How many objects are contained in this set.
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* NOTE: This computed property is O(N). Consider using the `empty` property.
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*/
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@property (nonatomic, readonly) NSUInteger count;
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@end
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NS_ASSUME_NONNULL_END
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