> On May 9, 2016, at 6:38 AM, gerti-cocoa...@bitart.com wrote:
> This was recommended to me by folks "in the know":
> 
>       Thing *aThing = [ Thing new ];
>       
>       ...
>       
>       (void)aThing;

This is not guaranteed to keep aThing alive for its full scope.  You should use 
the precise-lifetime attribute.

John.
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