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Groups > comp.lang.python > #3014
| From | Grant Edwards <invalid@invalid.invalid> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Feature suggestion -- return if true |
| Date | 2011-04-12 02:18 +0000 |
| Organization | PANIX Public Access Internet and UNIX, NYC |
| Message-ID | <io0cq6$7sd$1@reader1.panix.com> (permalink) |
| References | <8abff237-5ccd-4eb6-85c8-cdc9e87520b7@bl1g2000vbb.googlegroups.com> <mailman.233.1302568099.9059.python-list@python.org> <io0apf$2os$1@reader1.panix.com> <mailman.236.1302574355.9059.python-list@python.org> |
On 2011-04-12, James Mills <prologic@shortcircuit.net.au> wrote:
> On Tue, Apr 12, 2011 at 11:44 AM, Grant Edwards <invalid@invalid.invalid> wrote:
>> How is that the same?
>>
>> ??return? something() ?? ?? ?? ?? ?? ?? ?? ?? ??return something() or None
>> ??return? somethingelse() ?? ?? ?? ?? ?? ?? ??return somethingelse() or None
>> ??log("didn't find an answer") ?? ?? ?? ?? log("didn't find an answer")
>> ??raise ValueError ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? raise ValueError
>>
>> Are you saying the two snippets above are equivalent?
>
> def foo(n):
> x = n < 5
> if x:
> return x
>
> is functionally equivalent to:
>
> def foo(n):
> return n < 5
That's not what I asked.
You stated that
return? <expr>
was equivalent to
return <expr> or None
If that was the case then the two code snippets _I_ posted should be
equivalent:
return? something() return something() or None
return? somethingelse() return somethingelse() or None
log("didn't find an answer") log("didn't find an answer")
raise ValueError raise ValueError
If the two snipped above are not equivalent, then
return? <expr>
is isn't equivalent to
return <expr> or None
--
Grant
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Feature suggestion -- return if true zildjohn01 <zildjohn01@gmail.com> - 2011-04-11 16:17 -0700
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Re: Feature suggestion -- return if true Grant Edwards <invalid@invalid.invalid> - 2011-04-12 02:18 +0000
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Re: Feature suggestion -- return if true James Mills <prologic@shortcircuit.net.au> - 2011-04-12 16:21 +1000
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Re: Feature suggestion -- return if true scattered <tooscattered@gmail.com> - 2011-04-12 03:55 -0700
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Re: Feature suggestion -- return if true Grant Edwards <invalid@invalid.invalid> - 2011-04-12 13:44 +0000
Re: Feature suggestion -- return if true Westley Martínez <anikom15@gmail.com> - 2011-04-12 07:05 -0700
Re: Feature suggestion -- return if true scattered <tooscattered@gmail.com> - 2011-04-12 07:58 -0700
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Re: Feature suggestion -- return if true zildjohn01 <zildjohn01@gmail.com> - 2011-04-12 11:25 -0700
Re: Feature suggestion -- return if true Terry Reedy <tjreedy@udel.edu> - 2011-04-12 15:14 -0400
Re: Feature suggestion -- return if true alex23 <wuwei23@gmail.com> - 2011-04-12 21:05 -0700
Re: Feature suggestion -- return if true Teemu Likonen <tlikonen@iki.fi> - 2011-04-12 21:00 +0300
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Re: Feature suggestion -- return if true Neil Cerutti <neilc@norwich.edu> - 2011-04-12 20:13 +0000
Re: Feature suggestion -- return if true Neil Cerutti <neilc@norwich.edu> - 2011-04-12 20:16 +0000
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Re: Feature suggestion -- return if true Ethan Furman <ethan@stoneleaf.us> - 2011-04-12 16:06 -0700
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Re: Feature suggestion -- return if true Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-04-13 00:03 +0000
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Re: Feature suggestion -- return if true Chris Angelico <rosuav@gmail.com> - 2011-04-13 13:00 +1000
Re: Feature suggestion -- return if true James Mills <prologic@shortcircuit.net.au> - 2011-04-13 13:28 +1000
Re: Feature suggestion -- return if true Teemu Likonen <tlikonen@iki.fi> - 2011-04-13 13:58 +0300
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Re: Feature suggestion -- return if true Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-04-17 16:21 +1200
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Re: Feature suggestion -- return if true "D'Arcy J.M. Cain" <darcy@druid.net> - 2011-04-17 08:33 -0400
Re: Feature suggestion -- return if true Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-04-17 15:10 +0000
Re: Feature suggestion -- return if true aahz@pythoncraft.com (Aahz) - 2011-04-18 09:11 -0700
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Re: Feature suggestion -- return if true Paul Rubin <no.email@nospam.invalid> - 2011-04-11 23:58 -0700
Re: Feature suggestion -- return if true John Roth <johnroth1@gmail.com> - 2011-04-12 06:16 -0700
Re: Feature suggestion -- return if true Mel <mwilson@the-wire.com> - 2011-04-12 11:12 -0400
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