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Showing content from https://mail.python.org/pipermail/python-dev/2003-March/034028.html below:

[Python-Dev] are NULL checks in Objects/abstract.c reallyneeded?

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> > Can we get most of the same benefit by using 
> > an assert() rather than NULL-->SystemError?
> 
> No.  assert() causes the program to fail.  SystemError() raises an
> exception and lets the program keep going.  Those are vastly different
> effects.

Of course.  My thought was that either one will come to the
attention of the extension writer before the extension goes out.
But then, if the code in question never got excercised, then it
would crash in the hands of a user.


Raymond Hettinger

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• Previous message: [Python-Dev] are NULL checks in Objects/abstract.c really needed?
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