ObjFW
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OFPair.h
1/*
2 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
3 *
4 * All rights reserved.
5 *
6 * This file is part of ObjFW. It may be distributed under the terms of the
7 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
8 * the packaging of this file.
9 *
10 * Alternatively, it may be distributed under the terms of the GNU General
11 * Public License, either version 2 or 3, which can be found in the file
12 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
13 * file.
14 */
15
16#import "OFObject.h"
17
18OF_ASSUME_NONNULL_BEGIN
19
25@interface OFPair OF_GENERIC(FirstType, SecondType): OFObject <OFCopying,
27#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
28# define FirstType id
29# define SecondType id
30#endif
31{
32 FirstType _Nullable _firstObject;
33 SecondType _Nullable _secondObject;
34 OF_RESERVE_IVARS(OFPair, 4)
35}
36
40@property OF_NULLABLE_PROPERTY (readonly, nonatomic, retain)
41 FirstType firstObject;
42
46@property OF_NULLABLE_PROPERTY (readonly, nonatomic, retain)
47 SecondType secondObject;
48
56+ (instancetype)pairWithFirstObject: (nullable FirstType)firstObject
57 secondObject: (nullable SecondType)secondObject;
58
66- (instancetype)initWithFirstObject: (nullable FirstType)firstObject
67 secondObject: (nullable SecondType)secondObject
68 OF_DESIGNATED_INITIALIZER;
69#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
70# undef FirstType
71# undef SecondType
72#endif
73@end
74
75OF_ASSUME_NONNULL_END
76
77#import "OFMutablePair.h"
The root class for all other classes inside ObjFW.
Definition OFObject.h:688
A class for storing a pair of two objects.
Definition OFPair.h:36
A protocol for the creation of copies.
Definition OFObject.h:1346
A protocol for the creation of mutable copies.
Definition OFObject.h:1367