On Dec 16, 2010, at 9:40 AM, Jean-Daniel Dupas wrote:

> 
> Le 16 déc. 2010 à 17:32, Nick Zitzmann a écrit :
> 
>> 
>> On Dec 16, 2010, at 6:38 AM, Andreas Grosam wrote:
>> 
>>> In Cocoa, exceptions are considered fatal errors, and code is usually not 
>>> exception safe.
>> 
>> [citation needed]
> 
> From "Introduction to Exception Programming Topics for Cocoa"
> 
> “Important: You should reserve the use of exceptions for programming or 
> unexpected runtime errors such as out-of-bounds collection access, attempts 
> to mutate immutable objects, sending an invalid message, and losing the 
> connection to the window server. You usually take care of these sorts of 
> errors with exceptions when an application is being created rather than at 
> runtime.

Yes, but fatal errors are usually the type that can bring down the entire 
program, such as running out of memory or dividing by zero. An out-of-bounds 
exception often doesn't have to kill the program. Of course, if the developer 
wants it to kill the program, then they can override -[NSApplication run] to 
catch the exception and quit.

Nick Zitzmann
<http://www.chronosnet.com/>

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