On Feb 1, 2010, at 6:08 AM, Roland King wrote: > I read the following passage (reproduced verbatim) in a book .. > > "Weak references were added in Mac OS X Leopard and effectively zero out the > reference if the referenced object is released. This is primarily used when > the garbage collector is turned on, but it is a helpful flag to use when > doing non-GC development (such as for the iPhone) as well." > > This is in a paragraph explaining __weak in a piece of code. > > I understand that __weak references are zeroing in GC code but in memory > managed code I didn't think they did anything at all. Is the text I quoted > incorrect?
As Joar said, it doesn't do anything for the runtime. However, I think the statement was referring to it being a useful flag for the programmer to know it is a weak (non retained) variable. --corbin _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
