Re: Is Apple's singleton sample code correct?
Re: Is Apple's singleton sample code correct?
- Subject: Re: Is Apple's singleton sample code correct?
- From: Greg Titus <email@hidden>
- Date: Thu, 1 Dec 2005 19:50:29 -0800
On Dec 1, 2005, at 7:02 PM, Shaun Wexler wrote:
@interface MortalSingleton : NSObject
@end
+ (id)new
{
return [self sharedInstance];
}
+ (id)allocWithZone:(NSZone *)zone
{
return [self sharedInstance];
}
+ (id)alloc
{
return [self sharedInstance];
}
- (id)copy
{
return self;
}
- (id)copyWithZone:(NSZone *)zone
{
return self;
}
- (id)mutableCopy
{
return self;
}
- (id)mutableCopyWithZone:(NSZone *)zone
{
return self;
}
Hey Shaun,
You are breaking the retain/release rules here. All these methods
should do a retain before returning.
-- Greg
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