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57 lines
659 B
Objective-C
57 lines
659 B
Objective-C
//
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// NSNull.m
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// CoreFoundation
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//
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// Copyright (c) 2014 Apportable. All rights reserved.
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//
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#import <Foundation/NSNull.h>
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#import "NSCFType.h"
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#import "NSObjectInternal.h"
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@implementation NSNull
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+ (BOOL)supportsSecureCoding
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{
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return NO;
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}
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+ (id)null
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{
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return (id)kCFNull;
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}
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+ (id)allocWithZone:(NSZone *)zone
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{
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return (id)kCFNull;
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}
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- (void)encodeWithCoder:(NSCoder *)coder
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{
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}
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- (id)initWithCoder:(NSCoder *)coder
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{
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return (id)kCFNull;
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}
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- (id)description
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{
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return @"<null>";
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}
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- (id)copyWithZone:(NSZone *)zone
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{
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return (id)kCFNull;
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}
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SINGLETON_RR()
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- (CFTypeID)_cfTypeID
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{
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return CFNullGetTypeID();
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}
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@end
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