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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
33 lines
982 B
Objective-C
33 lines
982 B
Objective-C
//
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// ASWeakProxy.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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AS_SUBCLASSING_RESTRICTED
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@interface ASWeakProxy : NSProxy
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/**
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* @return target The target which will be forwarded all messages sent to the weak proxy.
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*/
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@property (nonatomic, weak, readonly) id target;
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/**
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* An object which forwards messages to a target which it weakly references
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*
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* @discussion This class is useful for breaking retain cycles. You can pass this in place
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* of the target to something which creates a strong reference. All messages sent to the
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* proxy will be passed onto the target.
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*
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* @return an instance of ASWeakProxy
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*/
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+ (instancetype)weakProxyWithTarget:(id)target NS_RETURNS_RETAINED;
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@end
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