/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFMutablePair.h"
@implementation OFMutablePair
@dynamic firstObject, secondObject;
- (void)setFirstObject: (id)firstObject
{
id old = _firstObject;
_firstObject = [firstObject retain];
[old release];
}
- (void)setSecondObject: (id)secondObject
{
id old = _secondObject;
_secondObject = [secondObject retain];
[old release];
}
- (id)copy
{
OFMutablePair *copy = [self mutableCopy];
[copy makeImmutable];
return copy;
}
- (void)makeImmutable
{
object_setClass(self, [OFPair class]);
}
@end