>>>>> "Guido" == Guido van Rossum <guido@CNRI.Reston.VA.US> writes:
Guido> The raise could easily enforce this, but it would break
Guido> lots of existing code.
Maybe not (I'm not sure). All the standard exceptions inherit from
Exception, and of course there'd be nothing to enforce for existing
user-defined string based exceptions. How pervasive are user-defined
class based exceptions that don't inherit from Exception? (I don't
know, and I haven't grepped, but I think we've been making that
recommendation from day 1 of class-based standard exceptions, and I
try to follow this recommendation in my own code).
Guido> I wish I had done it right from the start -- then
Guido> exceptions would have been classes from the start and would
Guido> have required inheritance from the Exception base class.
Guido> Like in Java. (And in C++?)
All Hail, Python 2.0, our Savior and Redeemer! :)
-Barry
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