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Groups > comp.lang.python > #28372
| From | Serhiy Storchaka <storchaka@gmail.com> |
|---|---|
| Subject | Re: set and dict iteration |
| Date | 2012-09-04 00:46 +0300 |
| References | (7 earlier) <d4708687-2925-421a-b755-969d6dac731a@googlegroups.com> <mailman.3476.1345328046.4697.python-list@python.org> <mailman.3480.1345343315.4697.python-list@python.org> <c7452db1-5b78-4d54-81a1-1c8683631d6e@googlegroups.com> <CALwzidnV5mFuMMBZi1gyZ954TVu0-8eY-Sir+V+e6x3rDaqq1g@mail.gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.158.1346708810.27098.python-list@python.org> (permalink) |
On 27.08.12 22:17, Ian Kelly wrote: > May I > suggest an alternate approach? Internally tag each set or dict with a > "version", which is just a C int. Every time the hash table is > modified, increment the version. When an iterator is created, store > the current version on the iterator. When the iterator is advanced, > check that the iterator version matches the dict/set version. If > they're not equal, raise an error. Oh, I'm surprised that this strategy is not used yet. I was sure that it is used.
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Re: set and dict iteration Serhiy Storchaka <storchaka@gmail.com> - 2012-09-04 00:46 +0300
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