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To: python-list@python.org
From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Assigning generator expressions to ctype arrays
Date: Fri, 28 Oct 2011 04:19:26 -0400
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On 10/28/2011 3:21 AM, Steven D'Aprano wrote:

> If the slice has too few elements, you've just blown away the entire
> iterator for no good reason.

> If the slice is the right length, but the iterator doesn't next raise
> StopIteration, you've just thrown away one perfectly good value. Hope it
> wasn't something important.

You have also over-written values that should be set back to what they 
were, before the exception is raised, which is why I said the test needs 
to be done with a temporary array.

-- 
Terry Jan Reedy