Re: PEP 638: Syntactic macros

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"


On Fri, Feb 3, 2023 at 12:28 PM Stephen J. Turnbull <
[email protected]> wrote:

> St=C3=A9fane Fermigier writes:
>
>  > NB: on a very basic level, I remember trying, a few years ago, to use
> the
>  > Unicode "empty set" symbol as a synonym for set(), and it didn't end
> well,
>  > for several reasons, including the fact that Python didn't like it as =
a
>  > variable name.
>
> I know about the issue that '=E2=88=85' is not valid in identifiers, but =
I'm
> curious about these other "several reasons".
>

IIRC (this was a few years back):  '=E2=88=85' (aka EMPTY SET) was not acce=
pted by
Python, so I used instead ''=C3=98" (aka "LATIN CAPITAL LETTER O WITH STROK=
E").

Python was OK with it, but some of the tools I use (one of flake8, isort,
black... or maybe one of my IDE) barfed on it.

  S.

--=20
Stefane Fermigier - http://fermigier.com/ - http://twitter.com/sfermigier -
http://linkedin.com/in/sfermigier
Founder & CEO, Abilian - Enterprise Social Software -
http://www.abilian.com/
Co-Founder & Co-Chairman, National Council for Free & Open Source Software
(CNLL) - http://cnll.fr/
Co-Founder & Chairman, Association Professionnelle Europ=C3=A9enne du Logic=
iel
Libre (APELL) - https://www.apell.info/
Co-Founder & Spokesperson, European Cloud Industrial Alliance (EUCLIDIA) -
https://www.euclidia.eu/

"I wish you were as accurate, & as much to be relied on, as I am myself" -
Lady Ada Lovelace

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<div dir=3D"ltr">&quot;<div dir=3D"ltr"><br></div><br><div class=3D"gmail_q=
uote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Feb 3, 2023 at 12:28 PM=
 Stephen J. Turnbull &lt;<a href=3D"mailto:[email protected]">step=
[email protected]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,2=
04);padding-left:1ex">St=C3=A9fane Fermigier writes:<br>
<br>
=C2=A0&gt; NB: on a very basic level, I remember trying, a few years ago, t=
o use the<br>
=C2=A0&gt; Unicode &quot;empty set&quot; symbol as a synonym for set(), and=
 it didn&#39;t end well,<br>
=C2=A0&gt; for several reasons, including the fact that Python didn&#39;t l=
ike it as a<br>
=C2=A0&gt; variable name.<br>
<br>
I know about the issue that &#39;=E2=88=85&#39; is not valid in identifiers=
, but I&#39;m<br>
curious about these other &quot;several reasons&quot;.<br></blockquote><div=
><br></div><div>IIRC (this was a few years back):=C2=A0 &#39;=E2=88=85&#39;=
 (aka EMPTY SET) was not accepted by Python, so I used instead &#39;&#39;=
=C3=98&quot; (aka &quot;LATIN CAPITAL LETTER O WITH STROKE&quot;). <br></di=
v><div><br></div><div>Python was OK with it, but some of the tools I use (o=
ne of flake8, isort, black... or maybe one of my IDE) barfed on it.<br></di=
v><div><br></div><div>=C2=A0 S.</div><div><br></div></div>-- <br><div dir=
=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><=
div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div dir=
=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr">Stefane Fermigier - <a href=3D"h=
ttp://fermigier.com/" target=3D"_blank">http://fermigier.com/</a> - <a href=
=3D"http://twitter.com/sfermigier" target=3D"_blank">http://twitter.com/sfe=
rmigier</a> - <a href=3D"http://linkedin.com/in/sfermigier" target=3D"_blan=
k">http://linkedin.com/in/sfermigier</a><br>Founder &amp; CEO, Abilian - En=
terprise Social Software - <a href=3D"http://www.abilian.com/" target=3D"_b=
lank">http://www.abilian.com/</a></div><div dir=3D"ltr">Co-Founder &amp; Co=
-Chairman, National Council for Free &amp; Open Source Software (CNLL) - <a=
 href=3D"http://cnll.fr/" target=3D"_blank">http://cnll.fr/</a></div><div d=
ir=3D"ltr">Co-Founder &amp; Chairman, Association Professionnelle Europ=C3=
=A9enne du Logiciel Libre (APELL) -=C2=A0<a href=3D"https://www.apell.info/=
" target=3D"_blank">https://www.apell.info/</a></div><div dir=3D"ltr">Co-Fo=
under &amp; Spokesperson, European Cloud Industrial Alliance (EUCLIDIA) -=
=C2=A0<a href=3D"https://www.euclidia.eu/" target=3D"_blank">https://www.eu=
clidia.eu/</a> <br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">&quot;=
<span>I wish you were as accurate,  &amp; as much to be relied on, as I am =
myself&quot; - Lady Ada Lovelace<br></span></div></div></div></div></div></=
div></div></div></div></div></div></div></div></div>

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