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Created on 2015-12-09 11:57 by flying sheep, last changed 2022-04-11 14:58 by admin. This issue is now closed.
| Messages (4) | |||
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| msg256154 - (view) | Author: (flying sheep) * | Date: 2015-12-09 11:57 | |
_TypeAlias claims in its docstring that “It can be used in instance and subclass checks”, yet promptly contradicts itself if you try it: “Type aliases cannot be used with isinstance().” it would be useful to either document (and therefore bless) type_impl, or make it actually work with isinstance (probably by delegating to type_impl) |
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| msg258776 - (view) | Author: Berker Peksag (berker.peksag) *  |
Date: 2016-01-21 22:36 | |
Looks like the docstring is a bit misleading. ``isinstance(m, Match)`` behavior is already tested in the test suite: https://hg.python.org/cpython/file/default/Lib/test/test_typing.py#l1297 |
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| msg258778 - (view) | Author: Guido van Rossum (gvanrossum) * |
Date: 2016-01-21 23:25 | |
Actually isinstance() shouldn't be supported by most things in typing.py (except for those that mimic existing collection ABCs). Even issubclass() should be taken out according to the BDFL-delegate for PEP 484. See https://github.com/ambv/typehinting/issues/136 |
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| msg277560 - (view) | Author: Guido van Rossum (gvanrossum) * |
Date: 2016-09-27 22:26 | |
Fixed by 09cc43df4509. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:58:24 | admin | set | github: 70017 |
| 2016-09-27 22:26:00 | gvanrossum | set | status: open -> closed resolution: fixed messages: + msg277560 |
| 2016-06-30 22:05:41 | levkivskyi | set | nosy:
+ levkivskyi |
| 2016-05-16 16:43:08 | berker.peksag | link | issue25650 superseder |
| 2016-01-21 23:25:22 | gvanrossum | set | messages: + msg258778 |
| 2016-01-21 22:36:31 | berker.peksag | set | nosy:
+ berker.peksag, gvanrossum messages: + msg258776 |
| 2015-12-09 11:57:32 | flying sheep | create | |