[Zope3-Users] Re: Interface tests: NotImplemented or NotImplementedError

[Chris Withers]

Fred Drake wrote:
> A rich-comparison method should return NotImplemented to indicate that
> it doesn't implement the specific comparison; the response should be
> for Python to allow the other operand a chance to handle the
> comparison (inverted, of course).

Oh :-(

What an unfortunate name, I'd have called it Uncomparable on some such...

Chris

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