[Python-ideas] PEP 505: None-aware operators

[Nicholas Chammas]

On Wed, Jul 25, 2018 at 6:36 PM David Mertz <mertz at gnosis.cx> wrote:

> The fact that a while bunch have people have commented on this subthread
> while not recognizing that the semantics of the '?.' and the if blocks are
> entirely different suggests the operators are but magnets.
>
> On Wed, Jul 25, 2018, 5:17 PM Nicholas Chammas <nicholas.chammas at gmail.com>
> wrote:
>
>> On Mon, Jul 23, 2018 at 6:05 PM Giampaolo Rodola' <g.rodola at gmail.com>
>> wrote:
>>
>>> This:
>>>
>>>     v = a?.b
>>>
>>> ...*implicitly* checks if value is not None [and continues execution].
>>> This:
>>>
>>>     v = a
>>>     if a.b is not None:
>>>         v = a.b
>>>
>>> ...*explicitly* checks if value is not None and continues execution.
>>>
>>
Sorry, lazy reading on my part. I skimmed the expanded form assuming it was
correct. I think it should instead read `if a is not None: ...`.

Is that what you're getting at?
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