Created on 2011-04-22 17:37 by cool-RR, last changed 2011-11-19 13:38 by ezio.melotti.
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| msg134276 - (view) | Author: Ram Rachum (cool-RR) | Date: 2011-04-22 17:37 | |
In the documentation for `itertools.islice` I see this line:
it = iter(xrange(s.start or 0, s.stop or sys.maxint, s.step or 1))
Is it really okay to do `s.stop or sys.maxint`? I'm assuming this was targeting `None`, but what if `s.stop == 0`? And `s.step` could (pathologically) be `0` too, no?
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| msg134372 - (view) | Author: ysj.ray (ysj.ray) | Date: 2011-04-25 07:09 | |
`step` argument for xrange() could not be 0. But `s.stop or sys.maxint` is really a problem, in the case of `s.stop == 0`. So the given `Equivalent to` python code in the doc is not precisely equivalent to the c implementation. The doc needs a fix. |
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| msg134374 - (view) | Author: Raymond Hettinger (rhettinger) *  |
Date: 2011-04-25 07:51 | |
I've got from here. Thanks. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2011-11-19 13:38:38 | ezio.melotti | set | keywords:
+ easy nosy: + ezio.melotti stage: needs patch versions: - Python 3.1 |
| 2011-04-25 18:10:51 | terry.reedy | set | versions: - Python 2.6, Python 2.5, Python 3.4 |
| 2011-04-25 07:51:04 | rhettinger | set | messages: + msg134374 |
| 2011-04-25 07:09:08 | ysj.ray | set | nosy:
+ ysj.ray messages: + msg134372 |
| 2011-04-22 18:01:51 | rhettinger | set | assignee: docs@python -> rhettinger nosy: + rhettinger |
| 2011-04-22 17:37:25 | cool-RR | create | |