Re: constexpr keyword is unnecessary

From	Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups	comp.lang.c
Subject	Re: constexpr keyword is unnecessary
Date	2024-10-26 21:54 -0700
Organization	A noiseless patient Spider
Message-ID	<86jzduuov0.fsf@linuxsc.com> (permalink)
References	(8 earlier) <vf2sm8$deou$1@dont-email.me> <vf7m4s$1d8mj$1@raubtier-asyl.eternal-september.org> <vf86uc$1fvt3$1@dont-email.me> <vfit29$3obkb$1@dont-email.me> <vfj5up$3q2lf$1@dont-email.me>

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James Kuyper <jameskuyper@alumni.caltech.edu> writes:

> On 10/26/24 10:07, Vir Campestris wrote:
>
>> On 22/10/2024 13:48, Thiago Adams wrote:
>>
>>> I think a more generic feature would be to have a standard way of
>>> promoting selected warnings to errors.  This would avoid stacking
>>> features with small differences, such as treating constexpr as a
>>> special case compared to other constant expressions in C.
>>
>> I have in the past had coding standards that require you to fix all
>> warnings.  After all, sometimes they do matter.
>
> I disapprove of that policy.  A conforming implementation is free to
> warn about anything, even about your failure to use taboo words as
> identifiers.  While that's a deliberately silly example, I've seen a
> fair number of warnings that had little or no justification.  [...]

I expect that when people say "all warnings" they don't really mean
all warning conditions that compilers currently can test for, in
the sense of -Weverything in clang (and they certainly don't mean
any warning condition that is allowed to be tested, since as you
point out that is much too wide a circle to be useful).  But by
saying "all warnings" the most important part of the information is
concealed, because we don't know what warning conditions are meant
to be included in "all warnings."  I would happily agree to fix
"all warnings" if I get to choose which set of warning conditions
is covered.  Conversely, I would never agree to fix "all warnings"
if someone else is doing the choosing and doesn't define what set
of warning conditions is to be tested.

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constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-11 09:25 -0300
  Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-11 20:03 +0200
    Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-11 15:11 -0300
      Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-11 21:17 +0200
        Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-11 16:30 -0300
          Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-12 06:39 +0200
            Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-12 10:23 -0300
              Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-12 15:52 +0200
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-12 18:37 -0300
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 12:51 +0200
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 08:32 -0300
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 13:39 +0200
                Re: constexpr keyword is unnecessary DFS <nospam@dfs.com> - 2024-10-14 23:30 -0400
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-15 13:41 +0200
                Re: constexpr keyword is unnecessary Bart <bc@freeuk.com> - 2024-10-15 14:01 +0100
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-15 10:11 -0300
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-15 15:27 +0200
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-16 08:35 +0200
                Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-15 20:31 +0000
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-16 07:14 +0200
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-16 08:44 +0200
          Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-13 16:39 +0000
            Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 14:39 -0300
              Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 20:13 +0200
              Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-13 18:21 +0000
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 18:12 -0300
  Re: constexpr keyword is unnecessary Bart <bc@freeuk.com> - 2024-10-12 14:53 +0100
    Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-12 18:43 -0300
      Re: constexpr keyword is unnecessary Bart <bc@freeuk.com> - 2024-10-13 10:52 +0100
        Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 08:37 -0300
          Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 13:49 +0200
            Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 09:38 -0300
              Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 14:58 +0200
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 10:09 -0300
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 15:14 +0200
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-13 15:35 +0200
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 15:47 +0200
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-13 16:33 +0200
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 16:41 +0200
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 11:52 -0300
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 17:14 +0200
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-13 17:03 +0200
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-13 17:19 +0200
              Re: constexpr keyword is unnecessary Michael S <already5chosen@yahoo.com> - 2024-10-13 16:06 +0300
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 10:10 -0300
                Re: constexpr keyword is unnecessary Michael S <already5chosen@yahoo.com> - 2024-10-13 16:29 +0300
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-13 10:50 -0300
  Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-18 16:54 -0700
    Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-19 09:18 +0200
    Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-19 12:18 -0300
      Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-19 18:03 +0200
        Re: constexpr keyword is unnecessary Bart <bc@freeuk.com> - 2024-10-19 18:22 +0100
          Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-20 12:40 +0200
            Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-20 11:28 -0700
              Re: constexpr keyword is unnecessary Opus <ifonly@youknew.org> - 2024-10-21 03:02 +0200
              Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-21 08:40 +0200
                Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-21 13:47 -0700
                Re: constexpr keyword is unnecessary "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-21 14:20 -0700
                Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-22 02:43 +0000
                Re: constexpr keyword is unnecessary "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2024-10-22 12:18 -0700
        Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-19 16:41 -0300
          Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-19 14:48 -0700
            Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-19 19:49 -0300
              Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-19 21:08 -0700
                Re: constexpr keyword is unnecessary Michael S <already5chosen@yahoo.com> - 2024-10-20 14:59 +0300
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-20 09:22 -0300
                Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-22 10:02 +0200
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-22 09:48 -0300
                Re: constexpr keyword is unnecessary Vir Campestris <vir.campestris@invalid.invalid> - 2024-10-26 15:07 +0100
                Re: constexpr keyword is unnecessary James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-10-26 11:08 -0400
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-26 20:28 +0200
                Re: constexpr keyword is unnecessary scott@slp53.sl.home (Scott Lurndal) - 2024-10-26 19:37 +0000
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-10-26 21:58 -0700
                Re: constexpr keyword is unnecessary scott@slp53.sl.home (Scott Lurndal) - 2024-10-27 17:22 +0000
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-11-03 19:06 -0800
                Re: constexpr keyword is unnecessary Lowell Gilbert <lgusenet@be-well.ilk.org> - 2024-11-04 12:57 -0500
                Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-11-04 19:38 +0000
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-11-07 05:15 -0800
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-10-26 21:54 -0700
                Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-27 15:24 +0100
                Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-27 15:21 +0100
                Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-28 06:13 +0000
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-28 08:58 -0300
                Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-29 05:04 +0000
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-29 09:16 -0300
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-29 09:21 -0300
                Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-29 15:13 +0100
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-29 11:46 -0300
                Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-29 19:27 +0100
                Re: constexpr keyword is unnecessary Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-10-30 01:41 +0100
                Re: constexpr keyword is unnecessary Kaz Kylheku <643-408-1753@kylheku.com> - 2024-10-29 20:57 +0000
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-11-05 07:46 -0800
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-11-05 07:48 -0800
                Re: constexpr keyword is unnecessary Richard Harnden <richard.nospam@gmail.invalid> - 2024-10-29 17:26 +0000
                Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-29 14:48 -0300
                Re: constexpr keyword is unnecessary Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-10-26 21:37 -0700
                Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-27 15:32 +0100
            Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-19 22:56 -0300
              Re: constexpr keyword is unnecessary Bonita Montero <Bonita.Montero@gmail.com> - 2024-10-20 18:12 +0200
          Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-20 12:45 +0200
            Re: constexpr keyword is unnecessary Bart <bc@freeuk.com> - 2024-10-20 12:23 +0100
              Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-20 13:36 +0200
        Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-19 14:24 -0700
          Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-19 19:13 -0300
          Re: constexpr keyword is unnecessary David Brown <david.brown@hesbynett.no> - 2024-10-20 12:55 +0200
      Re: constexpr keyword is unnecessary Michael S <already5chosen@yahoo.com> - 2024-10-19 19:53 +0300
        Re: constexpr keyword is unnecessary Thiago Adams <thiago.adams@gmail.com> - 2024-10-19 16:35 -0300
          Re: constexpr keyword is unnecessary Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-10-19 14:49 -0700

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