PEP308: Yet another syntax proposal

[holger krekel]

Andrew Koenig wrote:
> holger> right.  in which case learning about and/or (which you have to
> holger> anyway) often helps.  Because of the "y is false" problem in
> holger> "x and y or z" there are some cases where it doesn't fit.  Do
> holger> we have real code examples for them?
> 
> Yes -- as I've noted elsewhere in this discussion, Lib/unittest.py
> actually contains a (minor) bug because it uses and/or where it
> doesn't fit.  The code is on lines 618-619:
> 
>         self.stream.writeln("Ran %d test%s in %.3fs" %
>                             (run, run == 1 and "" or "s", timeTaken))

I answered on one of the threads you posted it on. 
Similar "mix-up" accidents might also happen with PEP-308-syntax. 
IMO ternary operators generally lead to mixups.  That's probably 
because we all think so binary.

regards,

    holger


--
The world is divided into 10 kinds of people.  Those who
can count binary numbers and those who don't.