/usr/include/GNUstep/Foundation/NSNull.h is in libgnustep-base-dev 1.22.1-4+deb7u1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | /* Interface for NSNull for GNUStep
Copyright (C) 2000 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: 2000
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
*/
#ifndef __NSNull_h_GNUSTEP_BASE_INCLUDE
#define __NSNull_h_GNUSTEP_BASE_INCLUDE
#import <GNUstepBase/GSVersionMacros.h>
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
#import <Foundation/NSObject.h>
#if defined(__cplusplus)
extern "C" {
#endif
/*
* An object to use as a placeholder - in collections for instance.
*/
@interface NSNull : NSObject <NSCoding, NSCopying>
+ (NSNull*) null;
@end
#if defined(__cplusplus)
}
#endif
#endif /* GS_API_MACOSX */
#endif /* __NSNull_h_GNUSTEP_BASE_INCLUDE */
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