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
|
/**
NSObject-additions.m
Various methods for NSObject
Copyright (c) 2002 Free Software Foundation
This file is part of the StepTalk project.
*/
#import "NSObject+additions.h"
@implementation NSObject (STAdditions)
- (BOOL)isSame:(id)anObject
{
return self == anObject;
}
- (BOOL)notEqual:(id)anObject
{
return ![self isEqual:anObject];
}
- (BOOL)notSame:(id)anObject
{
return ![self isSame:anObject];
}
- (BOOL)isNil
{
return NO;
}
- (BOOL)notNil
{
return YES;
}
- (id)yourself
{
return self;
}
@end
|
