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Groups > comp.lang.python > #12716
| From | Terry Reedy <tjreedy@udel.edu> |
|---|---|
| Subject | Re: [Python-ideas] allow line break at operators |
| Date | 2011-09-03 15:01 -0400 |
| References | (10 earlier) <CAB4yi1MqV2mgXXkaCOQ3RThNGjR41BWJ9vGMfTxTq1v2h6edNQ@mail.gmail.com> <877h5rjtdb.fsf@uwakimon.sk.tsukuba.ac.jp> <1315023501.31777.YahooMailNeo@web121514.mail.ne1.yahoo.com> <87aaamjgvh.fsf@uwakimon.sk.tsukuba.ac.jp> <1315036271.77996.YahooMailNeo@web121504.mail.ne1.yahoo.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.745.1315076551.27778.python-list@python.org> (permalink) |
On 9/3/2011 3:51 AM, Yingjie Lan wrote:
> I agree that long lines of code are not very common in many projects,
> though it might be the case with some heavily involved in math. For some
> reason, when the feature of free line breaking came about in computer
> languages, it is welcomed and generally well accepted.
Every language with blocks needs some mechanism to indicate the
beginning and ending of blocks and of statements within blocks. If
visible fences ('begin/end' or '{}') and statement terminators (';') are
used, then '\n' can be treated as merely a space, as it is in C, for
instance.
> Python uses indentation for blocks,
and it uses unescaped '\n' (with two escapement options) to terminate
statements. This is fundamental to Python's design and goes along with
significant indents.
> and by the same mechanism, line breaking can be
> accommodated without requiring parenthesis or ending backslashes.
You need proof for your claim that indentation can be used for both jobs
in the form of a grammar that works with Python's parser. I am dubious
that you can do that with an indents *after* the newline.
Even if you could, it would be confusing for human readers. There would
then be three ways to escape newline, with one doing double duty. And
for what? Merely to avoid using either of the two methods already available.
--
Terry Jan Reedy
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Re: allow line break at operators Yingjie Lan <lanyjie@yahoo.com> - 2011-08-09 23:05 -0700
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-10 18:32 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 09:39 +0100
Re: allow line break at operators Dan Sommers <dan@tombstonezero.net> - 2011-08-10 09:56 +0000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 00:44 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 11:26 +0100
Re: allow line break at operators Duncan Booth <duncan.booth@invalid.invalid> - 2011-08-10 12:25 +0000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 13:42 +0100
Re: allow line break at operators Yingjie Lan <lanyjie@yahoo.com> - 2011-08-10 05:58 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 15:45 +0100
Re: allow line break at operators Yingjie Lan <lanyjie@yahoo.com> - 2011-08-10 06:19 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 16:56 +0100
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-10 17:55 +0000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-11 07:51 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 23:42 +0100
Re: allow line break at operators Neil Cerutti <neilc@norwich.edu> - 2011-08-11 14:40 +0000
Re: Python & Sullivan Tim Chase <python.list@tim.thechases.com> - 2011-08-10 18:26 -0500
Re: Python & Sullivan Ben Finney <ben+python@benfinney.id.au> - 2011-08-11 10:57 +1000
Re: Python & Sullivan Chris Angelico <rosuav@gmail.com> - 2011-08-11 00:54 +0100
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-11 04:59 +0000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-11 15:56 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-11 21:19 +0000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 00:58 +0100
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-12 11:40 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 08:09 +0100
Re: allow line break at operators Neil Cerutti <neilc@norwich.edu> - 2011-08-12 12:57 +0000
Re: allow line break at operators Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-08-12 14:54 +0200
Re: allow line break at operators Tim Roberts <timr@probo.com> - 2011-08-14 22:22 -0700
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-12 18:59 +1000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-12 20:40 +1000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-12 21:16 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 16:33 +0000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 22:29 +1000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 22:40 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-11 21:19 +0000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-11 21:19 +0000
Re: allow line break at operators Ethan Furman <ethan@stoneleaf.us> - 2011-08-11 15:43 -0700
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 06:34 +0000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 08:20 +0100
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-12 08:33 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 20:52 +0100
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 16:33 +0000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-12 20:39 +1000
Re: allow line break at operators Chris Rebert <clp2@rebertia.com> - 2011-08-12 10:03 -0700
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 18:37 +0000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 16:33 +0000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 21:01 +0100
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 21:06 +0000
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-12 08:26 -0700
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 16:33 +0000
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-12 10:57 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 21:09 +0100
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 21:06 +0000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-13 08:39 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-12 23:50 +0100
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-13 09:19 +1000
Re: allow line break at operators Tim Chase <python.list@tim.thechases.com> - 2011-08-12 18:53 -0500
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-13 00:39 +0000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-13 10:57 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-13 02:34 +0000
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-13 18:50 -0700
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-13 19:07 -0700
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-13 18:59 -0700
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-14 17:10 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-14 08:07 +0000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-14 19:25 +1000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-15 00:26 +1000
Re: allow line break at operators Roy Smith <roy@panix.com> - 2011-08-14 11:35 -0400
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-15 03:24 +1000
Re: Re: allow line break at operators Dave Angel <davea@ieee.org> - 2011-08-14 17:46 -0400
Re: allow line break at operators Roy Smith <roy@panix.com> - 2011-08-14 18:46 -0400
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-15 00:02 +0100
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-14 16:39 +0100
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-15 03:26 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-14 19:01 +0000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-15 11:54 +1000
Re: allow line break at operators Chris Rebert <clp2@rebertia.com> - 2011-08-14 19:10 -0700
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-15 04:28 +0000
Re: allow line break at operators Tim Chase <python.list@tim.thechases.com> - 2011-08-15 06:40 -0500
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-15 23:30 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-15 16:32 +0000
Re: allow line break at operators alex23 <wuwei23@gmail.com> - 2011-08-15 21:13 -0700
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-15 21:37 -0700
Re: allow line break at operators alex23 <wuwei23@gmail.com> - 2011-08-15 23:49 -0700
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-16 11:56 -0700
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-15 04:28 +0000
Re: allow line break at operators Terry Reedy <tjreedy@udel.edu> - 2011-08-15 03:31 -0400
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-15 14:21 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-15 09:27 +0100
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-14 09:34 +0100
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-14 19:27 +1000
Re: allow line break at operators Ethan Furman <ethan@stoneleaf.us> - 2011-08-14 03:51 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-14 12:59 +0100
Re: allow line break at operators Teemu Likonen <tlikonen@iki.fi> - 2011-08-14 12:46 +0300
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-14 19:01 +0000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-14 19:01 +0000
Re: allow line break at operators Chris Rebert <clp2@rebertia.com> - 2011-08-14 01:44 -0700
Re: allow line break at operators Teemu Likonen <tlikonen@iki.fi> - 2011-08-16 07:04 +0300
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-13 19:18 -0700
Re: allow line break at operators Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-08-13 13:19 +1200
Re: allow line break at operators Johann Hibschman <jhibschman+usenet@gmail.com> - 2011-08-15 08:27 -0500
Re: allow line break at operators Roy Smith <roy@panix.com> - 2011-08-15 09:41 -0400
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-15 15:16 +0100
Re: allow line break at operators Roy Smith <roy@panix.com> - 2011-08-15 20:34 -0400
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-16 01:37 +0100
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-16 00:28 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-15 15:42 +0100
Re: allow line break at operators Roy Smith <roy@panix.com> - 2011-08-15 20:30 -0400
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-16 00:39 +0000
Re: allow line break at operators Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-08-16 12:43 +1200
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-15 16:32 +0000
Re: allow line break at operators Ethan Furman <ethan@stoneleaf.us> - 2011-08-12 13:35 -0700
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 21:06 +0000
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-13 08:03 +1000
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-12 22:14 +0000
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-13 08:36 +1000
Re: allow line break at operators Terry Reedy <tjreedy@udel.edu> - 2011-08-12 20:15 -0400
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-13 00:44 +0000
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-08-13 18:25 -0700
Re: allow line break at operators Ben Finney <ben+python@benfinney.id.au> - 2011-08-13 08:12 +1000
RE: allow line break at operators "Prasad, Ramit" <ramit.prasad@jpmorgan.com> - 2011-08-16 15:51 -0400
RE: allow line break at operators "Prasad, Ramit" <ramit.prasad@jpmorgan.com> - 2011-08-16 15:26 -0400
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-16 20:19 +0000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-16 21:05 +0100
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 10:32 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-11 01:47 +0100
Re: allow line break at operators Seebs <usenet-nospam@seebs.net> - 2011-08-11 04:59 +0000
Re: allow line break at operators Yingjie Lan <lanyjie@yahoo.com> - 2011-08-10 19:52 -0700
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 14:18 +1000
Re: allow line break at operators Chris Rebert <clp2@rebertia.com> - 2011-08-11 00:50 -0700
Re: allow line break at operators Vito 'ZeD' De Tullio <zak.mc.kraken@libero.it> - 2011-08-11 12:21 +0200
Re: allow line break at operators Yingjie Lan <lanyjie@yahoo.com> - 2011-08-10 19:58 -0700
Re: allow line break at operators Chris Rebert <clp2@rebertia.com> - 2011-08-10 21:16 -0700
Re: allow line break at operators Chris Rebert <clp2@rebertia.com> - 2011-08-10 22:07 -0700
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-11 09:24 +0100
Re: allow line break at operators MRAB <python@mrabarnett.plus.com> - 2011-08-11 14:03 +0100
Re: [Python-ideas] allow line break at operators Matt Joiner <anacrolix@gmail.com> - 2011-08-12 00:28 +1000
Re: [Python-ideas] allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-12 12:32 +1000
Re: [Python-ideas] allow line break at operators Jakob Bowyer <jkbbwr@gmail.com> - 2011-08-11 16:42 +0100
Re: [Python-ideas] allow line break at operators Daniel Greenfeld <pydanny@gmail.com> - 2011-08-11 10:04 -0700
Re: [Python-ideas] allow line break at operators Paul Colomiets <paul@colomiets.name> - 2011-08-11 22:17 +0300
Re: [Python-ideas] allow line break at operators Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-08-11 17:06 -0400
Re: [Python-ideas] allow line break at operators Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-08-11 17:29 -0400
Re: [Python-ideas] allow line break at operators Jim Jewett <jimjjewett@gmail.com> - 2011-08-11 17:39 -0400
Re: [Python-ideas] allow line break at operators Devin Jeanpierre <jeanpierreda@gmail.com> - 2011-08-11 18:29 -0400
Re: [Python-ideas] allow line break at operators Matt Joiner <anacrolix@gmail.com> - 2011-09-02 15:33 +1000
Re: [Python-ideas] allow line break at operators Roy Smith <roy@panix.com> - 2011-09-03 12:59 -0400
Re: [Python-ideas] allow line break at operators "Stephen J. Turnbull" <stephen@xemacs.org> - 2011-09-02 16:28 +0900
Re: [Python-ideas] allow line break at operators Guido van Rossum <guido@python.org> - 2011-09-02 12:30 -0700
Re: [Python-ideas] allow line break at operators "Stephen J. Turnbull" <stephen@xemacs.org> - 2011-09-03 13:38 +0900
Re: [Python-ideas] allow line break at operators "Stephen J. Turnbull" <stephen@xemacs.org> - 2011-09-03 15:10 +0900
Re: [Python-ideas] allow line break at operators Terry Reedy <tjreedy@udel.edu> - 2011-09-03 15:01 -0400
Re: [Python-ideas] allow line break at operators ron3200 <ron3200@gmail.com> - 2011-09-04 10:22 -0500
Re: allow line break at operators rantingrick <rantingrick@gmail.com> - 2011-09-04 11:08 -0700
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 00:37 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-10 16:13 +0100
Re: allow line break at operators Ian Kelly <ian.g.kelly@gmail.com> - 2011-08-10 09:16 -0600
Re: allow line break at operators Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-08-11 09:32 +1000
Re: allow line break at operators Chris Angelico <rosuav@gmail.com> - 2011-08-11 00:55 +0100
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