Lately, I've started to see accessors of the following sort:
- (NSString *)foo
{
return [[foo retain] autorelease];
}
rather than just
- (NSString *)foo
{
return foo;
}
What is the purpose or benefit of doing this? It seems to me that this
would add things unnecessarily to the autorelease pool, and I can't
see a benefit to be had. I've seen it in places that make me think
there must be a reason (e.g. sample code from Apple), so I'm guessing
I'm missing something. Is there some benefit due to GC? If so, should
this construct be used without GC or only with?
Thanks,
Jeff
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