Re: Blocks vs. life, the universe and everything
Re: Blocks vs. life, the universe and everything
- Subject: Re: Blocks vs. life, the universe and everything
- From: Jean-Daniel Dupas <email@hidden>
- Date: Tue, 18 Oct 2011 15:42:37 +0200
Le 18 oct. 2011 à 14:00, Michael Babin a écrit :
> On Oct 17, 2011, at 2:49 PM, Greg Parker wrote:
>
>> On Oct 15, 2011, at 12:28 PM, Jean-Daniel Dupas wrote:
>>> Le 15 oct. 2011 à 21:10, Seth Willits a écrit :
>>>>
>>>> Unrelated, when did @autoreleasepool pop in? I don't remember if I knew about that or not. It's _used_ once in the Obj-C Programming Language guide, but never documented anywhere I can find.
>>>
>>> It appears with ARC.
>>>
>>> For the rational, you can read this:
>>>
>>> http://clang.llvm.org/docs/AutomaticReferenceCounting.html#autoreleasepool
>>
>> @autoreleasepool also works without ARC. It's faster than NSAutoreleasePool. Use it.
>
> What are the minimum requirements for using @autoreleasepool? The same as ARC, even when not used with ARC (Xcode 4.2 for Mac OS X v10.6 and v10.7 (64-bit applications) and for iOS 4 and iOS 5)?
I tried to compile a program using @autoreleasepool and targeting 10.5, and the compiler was smart enough to not call the new runtime functions, but instead generate old [[NSAutoreleasPool alloc] init] and [pool drain] messages.
So I guess it should works for all supported platforms.
-- Jean-Daniel
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