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Date: Wed, 12 Nov 2014 13:52:48 -0800
From: Ethan Furman <ethan@stoneleaf.us>
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To: python-list@python.org
Subject: Re: I love assert
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On 11/12/2014 01:41 PM, Marko Rauhamaa wrote:
>
> Or I might indicate the exhaustion of possibilities:
>
>       if status == OK:
>           ...
>       elif status == ERROR:
>           ...
>       else:
>           assert status == WARNING
>           ...

And here's a nice example of what one should NOT do.  Imagine that a new status, CONFUSED is added, the above code is 
not modified to handle it, and for whatever reason the program is being run optimized -- the assert is not there, and 
CONFUSED is treated the same as WARNING.

--
~Ethan~