Previously I posted PEP 560 two weeks ago, while several other PEPs were
also posted, so it didn't get much of attention. Here I post the PEP 560
again, now including the full text for convenience of commenting.
--
Ivan
PEP: 56
On 9/27/2017 5:28 AM, Ivan Levkivskyi wrote:
Abstract
Initially PEP 484 was designed in such way that it would not introduce
*any* changes to the core CPython interpreter. Now type hints and
the ``typing`` module are extensively used by the community, e.g. PEP 526
and PEP 557 extend th
On 27 September 2017 at 18:08, Terry Reedy wrote:
> On 9/27/2017 5:28 AM, Ivan Levkivskyi wrote:
>
> It is proposed to add two special methods ``__class_getitem__`` and
>> ``__subclass_base__`` to the core CPython for better support of
>> generic types.
>>
>
> I would not be concerned about anyon
On 27 September 2017 at 19:28, Ivan Levkivskyi wrote:
> If an object that is not a class object appears in the bases of a class
> definition, the ``__subclass_base__`` is searched on it. If found,
> it is called with the original tuple of bases as an argument. If the result
> of the call is not ``
