Re: [ On topic, amazingtly ]: labels and declarations

Path	csiph.com!eternal-september.org!feeder.eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail
From	Keith Thompson <kst-u@mib.org>
Newsgroups	comp.lang.c
Subject	Re: [ On topic, amazingtly ]: labels and declarations
Date	Mon, 25 Mar 2019 13:17:35 -0700
Organization	None to speak of
Lines	35
Message-ID	<lnimw6bteo.fsf@kst-u.example.com> (permalink)
References	<q6lmi9$1md$1@news.xmission.com> <q6m2u6$mho$1@dont-email.me> <A4AjE.133834$y65.133545@fx44.iad> <8gAjE.142392$tK1.4950@fx28.am4> <q70f9c$ar7$1@gioia.aioe.org> <f6l89el6s9sst13gt0tsc2idd8kpsn9cbr@4ax.com> <q733ed$25e$1@gioia.aioe.org> <lno962g4kb.fsf@kst-u.example.com> <q75ps0$1sic$1@gioia.aioe.org> <lntvfte7v1.fsf@kst-u.example.com> <77b0609f-f653-45bf-ae78-f202d46e7ea7@googlegroups.com>
Mime-Version	1.0
Content-Type	text/plain; charset=us-ascii
Injection-Info	reader02.eternal-september.org; posting-host="784bbd8fb1c90ff7036d4663e7b2295d"; logging-data="3087"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/OZ32MU9P6jnt6tMtFOIzE"
User-Agent	Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)
Cancel-Lock	sha1:NNZjQ6DB+a7JUi7oMkqJreuJ80M= sha1:Ot6pB9SItisDQ6p8UpepYUyJJsE=
Xref	csiph.com comp.lang.c:142436

Show key headers only | View raw

James Kuyper <jameskuyper@alumni.caltech.edu> writes:
> On Saturday, March 23, 2019 at 2:58:05 PM UTC-4, Keith Thompson wrote:
> ...
>> Prior to C99, it wasn't possible to mix declarations and statements
>> within a block, and it wouldn't have made much sense to allow labels
>> on declarations (though I suppose it could have been permitted).
>
> In general, if you have any good reason to write:
>
>     int var;
>     label: var=expression;
>
> Then it would be more convenient if we were allowed to write
>
>     label: int var=expression;
>
> for precisely the same reason that would apply if "label:" were removed
> entirely. That would have been true even in C90, but the relaxation of
> the restrictions on initializers in C99 would have made this issue more
> likely to come up. I think that the main reason this hasn't been a big
> issue is the unpopularity of labels in general.

Agreed.  But if I wanted to write:

    label: int var = expression;

I'd just write:

    label:;
    int var = expression;

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */

Thread

[ On topic, amazingtly ]: labels and declarations gazelle@shell.xmission.com (Kenny McCormack) - 2019-03-17 14:45 +0000
  Re: [ On topic, amazingtly ]: labels and declarations nobody@example.org (Scott) - 2019-03-17 17:25 +0000
    Re: [ On topic, amazingtly ]: labels and declarations fir is a sexy shemale <cdalten@gmail.com> - 2019-03-17 10:59 -0700
  Re: [ On topic, amazingtly ]: labels and declarations Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2019-03-17 14:16 -0400
    Re: [ On topic, amazingtly ]: labels and declarations Richard Damon <Richard@Damon-Family.org> - 2019-03-17 18:43 -0400
      Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-17 22:55 +0000
        Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 01:37 +0000
        Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-17 19:46 -0700
          Re: [ On topic, amazingtly ]: labels and declarations David Brown <david.brown@hesbynett.no> - 2019-03-18 08:41 +0100
            Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 11:20 +0000
              Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 04:39 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 12:08 +0000
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 05:26 -0700
                labels and declarations and debugger breakpoints "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 05:40 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 17:25 +0000
                Re: [ On topic, amazingtly ]: labels and declarations gazelle@shell.xmission.com (Kenny McCormack) - 2019-03-18 19:11 +0000
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-19 01:36 +0000
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 12:31 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 19:57 +0000
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 13:09 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 21:09 +0000
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 16:03 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 23:49 +0000
                Re: [ On topic, amazingtly ]: labels and declarations fir is a sexy shemale <cdalten@gmail.com> - 2019-03-18 16:53 -0700
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 18:03 -0700
              Re: [ On topic, amazingtly ]: labels and declarations David Brown <david.brown@hesbynett.no> - 2019-03-18 13:16 +0100
                Re: [ On topic, amazingtly ]: labels and declarations Bart <bc@freeuk.com> - 2019-03-18 12:30 +0000
                Re: [ On topic, amazingtly ]: labels and declarations David Brown <david.brown@hesbynett.no> - 2019-03-18 13:41 +0100
                Re: [ On topic, amazingtly ]: labels and declarations fir <profesor.fir@gmail.com> - 2019-03-18 06:54 -0700
                Re: [ On topic, amazingtly ]: labels and declarations fir <profesor.fir@gmail.com> - 2019-03-18 07:05 -0700
                Re: [ On topic, amazingtly ]: labels and declarations fir <profesor.fir@gmail.com> - 2019-03-18 09:07 -0700
            Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-18 06:46 -0700
              Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 07:25 -0700
        Re: [ On topic, amazingtly ]: labels and declarations Manfred <noname@add.invalid> - 2019-03-21 17:48 +0100
          Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-21 10:04 -0700
            Re: [ On topic, amazingtly ]: labels and declarations fir is a sexy shemale <cdalten@gmail.com> - 2019-03-21 10:34 -0700
            Re: [ On topic, amazingtly ]: labels and declarations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-03-21 20:19 +0000
              Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-21 14:29 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Chad <cdalten@gmail.com> - 2019-03-22 10:15 -0700
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-22 13:58 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Chad <cdalten@gmail.com> - 2019-03-22 15:10 -0700
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-22 15:31 -0700
              Re: [ On topic, amazingtly ]: labels and declarations David Brown <david.brown@hesbynett.no> - 2019-03-22 09:22 +0100
                Re: [ On topic, amazingtly ]: labels and declarations Chad <cdalten@gmail.com> - 2019-03-22 09:28 -0700
            Re: [ On topic, amazingtly ]: labels and declarations Manfred <invalid@add.invalid> - 2019-03-22 18:15 +0100
              Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-22 10:51 -0700
              Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-22 11:31 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Manfred <noname@add.invalid> - 2019-03-23 17:43 +0100
                Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-23 13:36 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Richard Damon <Richard@Damon-Family.org> - 2019-03-23 17:37 -0400
                Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-25 09:18 -0700
              Re: [ On topic, amazingtly ]: labels and declarations James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-03-22 12:59 -0700
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-22 14:03 -0700
                Re: [ On topic, amazingtly ]: labels and declarations David Brown <david.brown@hesbynett.no> - 2019-03-23 12:44 +0100
                Re: [ On topic, amazingtly ]: labels and declarations Robert Wessel <robertwessel2@yahoo.com> - 2019-03-24 10:10 -0500
                Re: [ On topic, amazingtly ]: labels and declarations Manfred <noname@add.invalid> - 2019-03-23 17:48 +0100
                Re: [ On topic, amazingtly ]: labels and declarations James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-03-25 11:32 -0700
          Re: [ On topic, amazingtly ]: labels and declarations Robert Wessel <robertwessel2@yahoo.com> - 2019-03-21 22:22 -0500
            Re: [ On topic, amazingtly ]: labels and declarations Manfred <noname@add.invalid> - 2019-03-22 17:45 +0100
              Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-22 11:13 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Manfred <noname@add.invalid> - 2019-03-23 18:20 +0100
                Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-23 11:57 -0700
                Re: [ On topic, amazingtly ]: labels and declarations James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-03-25 10:58 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-25 13:17 -0700
      Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-17 16:16 -0700
        Re: [ On topic, amazingtly ]: labels and declarations Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2019-03-17 19:29 -0400
          Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-17 16:49 -0700
            Re: [ On topic, amazingtly ]: labels and declarations Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2019-03-17 19:51 -0400
            Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-17 17:41 -0700
              Re: [ On topic, amazingtly ]: labels and declarations Richard Damon <Richard@Damon-Family.org> - 2019-03-17 22:53 -0400
                Re: [ On topic, amazingtly ]: labels and declarations Keith Thompson <kst-u@mib.org> - 2019-03-17 21:08 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-17 21:40 -0700
                Re: [ On topic, amazingtly ]: labels and declarations gazelle@shell.xmission.com (Kenny McCormack) - 2019-03-18 05:03 +0000
                Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 02:30 -0700
                Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-18 06:32 -0700
                Re: [ On topic, amazingtly ]: labels and declarations gazelle@shell.xmission.com (Kenny McCormack) - 2019-03-18 16:06 +0000
                Re: [ On topic, amazingtly ]: labels and declarations Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-17 22:19 -0700
        Re: [ On topic, amazingtly ]: labels and declarations Richard Damon <Richard@Damon-Family.org> - 2019-03-17 20:07 -0400
  Re: [ On topic, amazingtly ]: labels and declarations luser droog <luser.droog@gmail.com> - 2019-03-17 12:37 -0700
  Re: [ On topic, amazingtly ]: labels and declarations "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-18 11:00 +0800
    Re: [ On topic, amazingtly ]: labels and declarations "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-18 22:43 +0800
      Re: [ On topic, amazingtly ]: labels and declarations "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-18 08:00 -0700
        Re: [ On topic, amazingtly ]: labels and declarations "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 13:11 +0800
          Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) gazelle@shell.xmission.com (Kenny McCormack) - 2019-03-19 05:27 +0000
            Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 14:40 +0800
            Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-19 04:39 -0700
              Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 19:44 +0800
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 05:11 -0700
                Re: Use of goto in high-level C programming "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 20:13 +0800
                Re: Use of goto in high-level C programming fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 05:42 -0700
                Re: Use of goto in high-level C programming "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 20:44 +0800
                Re: Use of goto in high-level C programming Wouter Verhelst <w@uter.be> - 2019-03-20 08:16 +0200
                Re: Use of goto in high-level C programming "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-20 19:16 +0800
              Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 05:13 -0700
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-19 05:56 -0700
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 06:30 -0700
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-19 06:54 -0700
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 07:12 -0700
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2019-03-19 12:03 -0700
                Re: Telling Fred where to go... (Was: [ On topic, amazingtly ]: labels and declarations) fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 13:33 -0700
  Re: [ On topic, amazingtly ]: labels and declarations fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 05:17 -0700
    Re: from programming to religion and then.... sex? "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 20:23 +0800
      Re: from programming to religion and then.... sex? fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 05:40 -0700
        Re: from programming to religion and then.... sex? "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 20:46 +0800
          Re: from programming to religion and then.... sex? fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 06:30 -0700
            Re: from programming to religion and then.... sex? "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-19 21:36 +0800
              Re: from programming to religion and then.... sex? fir is a sexy shemale <cdalten@gmail.com> - 2019-03-19 07:08 -0700
                Re: from programming to religion and then.... sex? "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2019-03-20 19:16 +0800
  Re: [ On topic, amazingtly ]: labels and declarations John Bode <jfbode1029@gmail.com> - 2019-03-19 14:58 -0700

csiph-web