__weak references in non-GC
__weak references in non-GC
- Subject: __weak references in non-GC
- From: Roland King <email@hidden>
- Date: Mon, 1 Feb 2010 22:08:09 +0800
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? _______________________________________________
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