/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program 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 Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#import "OFObject.h"
#import "OFJSONRepresentation.h"
#import "OFMessagePackRepresentation.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @class OFNull OFNull.h ObjFW/OFNull.h
*
* @brief A class for representing null values in collections.
*/
OF_SUBCLASSING_RESTRICTED
@interface OFNull: OFObject <OFCopying, OFJSONRepresentation,
OFMessagePackRepresentation>
/**
* @brief Returns an OFNull singleton.
*
* @return An OFNull singleton
*/
+ (OFNull *)null;
@end
OF_ASSUME_NONNULL_END