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* Fixed license * Update all licenses * Update Dangerfile for new license * Update already updated licenses * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer…
59 lines
1.9 KiB
Objective-C
59 lines
1.9 KiB
Objective-C
//
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// ASWeakSet.h
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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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 /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// 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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