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: Greg Parker <email@hidden>
- Date: Tue, 18 Oct 2011 14:43:31 -0700
On Oct 18, 2011, at 6:42 AM, Jean-Daniel Dupas wrote:
> Le 18 oct. 2011 à 14:00, Michael Babin a écrit :
>> On Oct 17, 2011, at 2:49 PM, Greg Parker wrote:
>>> @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.
That's right. The only requirement is the LLVM Compiler (aka clang). If your deployment target is too old for the new optimized autorelease pool implementation, the compiler will call the traditional NSAutoreleasePool methods instead.
--
Greg Parker email@hidden Runtime Wrangler
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