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| From | Ian Collins <ian-news@hotmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: John McCarthy died today. |
| Date | 2011-11-10 10:36 +1300 |
| Message-ID | <9i0a2cFbi8U1@mid.individual.net> (permalink) |
| References | (12 earlier) <ln7h3acl4i.fsf@nuthaus.mib.org> <j9ca4i$gt7$1@speranza.aioe.org> <lnr51ib0bn.fsf@nuthaus.mib.org> <b90b4feb-800f-41d4-936b-ee5836612d0d@e3g2000vbs.googlegroups.com> <lnehxhasz6.fsf@nuthaus.mib.org> |
On 11/10/11 10:25 AM, Keith Thompson wrote: > Malcolm McLean<malcolm.mclean5@btinternet.com> writes: >> On Nov 9, 2:34 am, Keith Thompson<ks...@mib.org> wrote: >>> >>> So tell us, how would you address the problem of existing code that >>> uses "=" for assignment, and of new code using ":=" for assignment >>> that would no longer compile with older compilers? Similarly, >>> how would you address the legions of C programmers who believe >>> (rightly or wrongly) that using "=" for assignment and "==" for >>> equality is ok, and doesn't need to be fixed? >>> >> You need to make the change compulsory, so the Luddites will have to >> use old compilers. Otherwise you get a worse mess than the one you >> were trying to solve. The new compiler gives an error, "old style >> assignment operator: please run makenewstyle". So you type >> makenewstyle *.c, and within seconds, all your code compiles. > > And you check it all into your source control system, and re-test > everything, and re-release all of it. Updating the source files > is a tiny fraction of the overhead imposed by a change like this. To be fair, you would have to do this for any compiler upgrade. But I do agree this is a silly idea! -- Ian Collins
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John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-10-25 00:44 +0000
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-10-25 01:27 -0700
Re: John McCarthy died today. Kleuskes & Moos <kleuske@somewhere.else.net> - 2011-10-25 09:27 +0000
Re: John McCarthy died today. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-10-25 11:27 +0100
Re: John McCarthy died today. Ark <akhasin@macroexpressions.com> - 2011-10-29 13:33 -0400
Re: John McCarthy died today. Willem <willem@toad.stack.nl> - 2011-10-29 17:51 +0000
Re: John McCarthy died today. Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-10-29 21:28 +0300
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-10-29 11:57 -0700
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-10-30 08:20 -0700
Re: John McCarthy died today. Ark <akhasin@macroexpressions.com> - 2011-11-04 05:20 -0400
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-04 15:53 +0000
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-04 12:16 -0400
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-04 17:58 +0000
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-04 20:49 -0400
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-05 01:55 +0000
Re: John McCarthy died today. "BartC" <bc@freeuk.com> - 2011-11-07 10:54 +0000
Re: John McCarthy died today. "Charles Richmond" <netnews@aquaporin4.com> - 2011-11-07 07:36 -0600
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-07 19:49 +0000
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-07 15:49 -0500
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-08 00:38 -0800
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-08 07:05 -0500
Re: John McCarthy died today. lawrence.jones@siemens.com - 2011-11-08 09:12 -0500
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-08 16:48 +0000
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-08 12:12 -0500
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-08 23:27 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-08 14:10 -0800
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-08 17:16 -0500
Re: John McCarthy died today. lawrence.jones@siemens.com - 2011-11-09 13:51 -0500
Re: Looping Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2011-11-09 19:21 -0700
Re: Looping Kaz Kylheku <kaz@kylheku.com> - 2011-11-10 02:34 +0000
Re: John McCarthy died today. Joe Wright <joewwright@comcast.net> - 2011-11-08 17:49 -0500
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-08 16:35 -0800
Re: John McCarthy died today. Joe Wright <joewwright@comcast.net> - 2011-11-09 01:08 -0500
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-09 01:26 -0800
Re: John McCarthy died today. Joe Wright <joewwright@comcast.net> - 2011-11-09 08:18 -0500
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-09 05:32 -0800
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-09 01:24 -0800
Re: John McCarthy died today. Quentin Carbonneaux <qcarbonn@invalid.com> - 2011-11-09 11:59 +0000
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-09 05:34 -0800
Re: John McCarthy died today. Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-11-08 18:31 +0200
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-07 14:06 -0800
Re: John McCarthy died today. "BartC" <bc@freeuk.com> - 2011-11-08 02:01 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-07 23:16 -0800
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-08 05:18 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-07 23:17 -0800
Re: John McCarthy died today. Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-11-08 01:46 -0800
Re: John McCarthy died today. "BartC" <bc@freeuk.com> - 2011-11-08 13:02 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-08 14:19 -0800
Re: John McCarthy died today. Edward Rutherford <edward.p.rutherford79@REMOVETHIS.gmail.com> - 2011-11-08 22:23 +0000
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-08 18:13 -0500
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-08 23:38 +0000
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-08 23:18 +0000
Re: John McCarthy died today. Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-11-10 12:40 +0200
Re: John McCarthy died today. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-10 11:39 +0000
Re: John McCarthy died today. "BartC" <bc@freeuk.com> - 2011-11-10 12:23 +0000
Re: John McCarthy died today. 88888 Dihedral <dihedral88888@googlemail.com> - 2011-11-10 05:38 -0800
Re: John McCarthy died today. Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-11-10 17:29 +0200
Re: John McCarthy died today. David Thompson <dave.thompson2@verizon.net> - 2011-11-21 02:39 -0500
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-08 16:34 -0800
Re: John McCarthy died today. Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-11-09 01:37 -0800
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-09 13:25 -0800
Re: John McCarthy died today. Ian Collins <ian-news@hotmail.com> - 2011-11-10 10:36 +1300
Re: John McCarthy died today. Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-11-09 23:47 -0800
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-10 00:21 -0800
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-10 03:04 -0800
Re: John McCarthy died today. gazelle@shell.xmission.com (Kenny McCormack) - 2011-11-10 15:20 +0000
Re: John McCarthy died today. Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-11-12 23:22 +0000
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-13 01:44 +0000
Re: John McCarthy died today. "Charles Richmond" <netnews@aquaporin4.com> - 2011-11-13 04:18 -0600
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-13 16:57 +0000
Re: John McCarthy died today. Robert Wessel <robertwessel2@yahoo.com> - 2011-11-13 11:59 -0600
Re: John McCarthy died today. gazelle@shell.xmission.com (Kenny McCormack) - 2011-11-13 18:54 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-13 14:47 -0800
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-14 03:43 +0000
Re: John McCarthy died today. Ike Naar <ike@sverige.freeshell.org> - 2011-11-14 09:00 +0000
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-14 18:30 +0000
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-14 14:44 -0500
Re: John McCarthy died today. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-11-14 20:13 +0000
Re: John McCarthy died today. Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-11-14 00:21 -0800
Re: John McCarthy died today. Lauri Alanko <la@iki.fi> - 2011-11-10 15:26 +0000
Re: John McCarthy died today. Kaz Kylheku <kaz@kylheku.com> - 2011-11-10 01:51 +0000
Re: John McCarthy died today. Edward Rutherford <edward.p.rutherford79@REMOVETHIS.gmail.com> - 2011-11-09 17:15 +0000
Re: John McCarthy died today. "BartC" <bc@freeuk.com> - 2011-11-09 18:04 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-09 13:31 -0800
Re: John McCarthy died today. Robert Wessel <robertwessel2@yahoo.com> - 2011-11-09 15:53 -0600
Re: John McCarthy died today. "BartC" <bc@freeuk.com> - 2011-11-09 22:02 +0000
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-09 14:14 -0800
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-09 13:50 -0800
Re: John McCarthy died today. James Kuyper <jameskuyper@verizon.net> - 2011-11-08 07:10 -0500
Re: John McCarthy died today. Keith Thompson <kst-u@mib.org> - 2011-11-04 14:51 -0700
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