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A comment on C++ the Good Parts (2014). Parent comment

Re:C++ the Good Parts (2014) by masklinn on Thursday October 01, 2020 @05:10PM (#24656171)
> That's a CPython implementation detail

Which would be why I specifically wrote « in CPython ».

And it still makes the original assertion completely incorrect. Python destructors do not run « down the road, during the next GC cycle ». They may, in certain cases or implementations.

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Re:C++ the Good Parts (2014) by Nullabillity on Thursday October 01, 2020 @05:45PM (#24656460)
Once again,

> implementation detail

There is no guarantee that even CPython will keep the current behaviour. Ultimately, the promise you're given is that __del__ might be invoked by the system some point between "the object has no live references" and "never".

The original assertion gives a much closer intuition than your description of the current behaviour.

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