On 04/23/2013 08:01 AM, Stefan Behnel wrote:
> Greg Ewing, 23.04.2013 01:16:
>> Only if subclassing of Slot and Context are forbidden.
> Right. Subtypes of a non-GC type can happily add attributes and start
> supporting cyclic garbage collection, including Python subclasses. So this
> only applies to "final" types and builtins. Not entirely uncommon,
> especially in the "keep this private thing alive until all referrers have
> died" use case, but I's say this restriction drops the priority a bit.
>
Does Cython have an equivalent of the "final class DoNoExtend { ... }"
of the Java world?
In any case, Greg has a good point. I seriously did not think about it
just because I did not plan to derive from those classes.

Greetings, Torsten

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