On 2021-04-29 18:56, Ethan Furman wrote:
On 4/29/21 10:52 AM, Antoine Pitrou wrote:
> On Thu, 29 Apr 2021 18:37:29 +0100, MRAB wrote:
>> On 2021-04-29 18:19, Ethan Furman wrote:
>>> An excerpt from bpo-31369: re.RegexFlag and `__all__`
>>>
>>> GvR:
>>> ----
>>> > One thing I discovered when developing this example: there doesn't
seem to be a flag to
>>> > represent 0 (zero), i.e. "no flags". And foo(0) is a type error
(even though it works
>>> > fine at runtime).
>>>
>>> Which raises the question: Do we want to have a standard name for stdlib
Flags when no flags are set?
>>>
>>> What should we call it?
>>>
>>> - NONE
>>>
>>> - ZERO
>>>
>>> - EMPTY
>>>
>>> - ???
>>>
>> Definitely NONE. At some point I might even add it to the regex module! :-)
>
> Not to confuse with None, which will not be equal to NONE. Hmm...
>
> Perhaps NONE_SET or ALL_UNSET?
>
> (also, why the ALL_CAPS?)
Since Enum members are constants, ALL_CAPS is recommended for their naming
scheme.
And the flags of the re module have always been ALL_CAPS.
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