ObjFW
Toggle main menu visibility
Loading...
Searching...
No Matches
OFNull.h
1
/*
2
* Copyright (c) 2008-2026 Jonathan Schleifer <js@nil.im>
3
*
4
* All rights reserved.
5
*
6
* This program is free software: you can redistribute it and/or modify it
7
* under the terms of the GNU Lesser General Public License version 3.0 only,
8
* as published by the Free Software Foundation.
9
*
10
* This program is distributed in the hope that it will be useful, but WITHOUT
11
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13
* version 3.0 for more details.
14
*
15
* You should have received a copy of the GNU Lesser General Public License
16
* version 3.0 along with this program. If not, see
17
* <https://www.gnu.org/licenses/>.
18
*/
19
20
#import "
OFObject.h
"
21
#import "OFJSONRepresentation.h"
22
#import "OFMessagePackRepresentation.h"
23
24
OF_ASSUME_NONNULL_BEGIN
25
31
OF_SUBCLASSING_RESTRICTED
32
@interface
OFNull
:
OFObject
<
OFCopying
,
OFJSONRepresentation
,
33
OFMessagePackRepresentation
>
39
+ (
OFNull
*)
null
;
40
@end
41
42
OF_ASSUME_NONNULL_END
OFObject.h
OFNull
A class for representing null values in collections.
Definition
OFNull.h:34
+[OFNull null]
OFNull * null()
Returns an OFNull singleton.
Definition
OFNull.m:40
OFObject
The root class for all other classes inside ObjFW.
Definition
OFObject.h:956
OFCopying-p
A protocol for the creation of copies.
Definition
OFObject.h:1618
OFJSONRepresentation-p
A protocol implemented by classes that support encoding to a JSON representation.
Definition
OFJSONRepresentation.h:49
OFMessagePackRepresentation-p
A protocol implemented by classes that support encoding to a MessagePack representation.
Definition
OFMessagePackRepresentation.h:33
src
OFNull.h
Generated by
1.17.0