First of all, this is awesome. I am missing some details though. Are these true ... | Hacker News

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		jmtulloss on June 8, 2009 \| parent \| context \| favorite \| on: Technology Brief for Apple's Grand Central Multico... First of all, this is awesome. I am missing some details though. Are these true closures? What are the scoping rules? Can you read data declared outside of your block? Can you alter it? Is the only way to keep alterations safe to use a private queue? I guess time (or a closer reading) will tell.

swannodette on June 8, 2009 [–]

More information about the implementation of blocks here: http://lists.cs.uiuc.edu/pipermail/cfe-dev/2008-August/00267...

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