Re: Structured binding considered harmful

From	Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups	comp.lang.c++
Subject	Re: Structured binding considered harmful
Date	2020-03-15 15:15 -0700
Organization	None to speak of
Message-ID	<87y2s1qn6p.fsf@nosuchdomain.example.com> (permalink)
References	(2 earlier) <r4i38r$hr4$1@dont-email.me> <7b2a19bf-30f9-418c-ad86-33d44c3b1926@googlegroups.com> <slrnr6s357.1r7q.grahn+nntp@frailea.sa.invalid> <686ab0c9-a610-4c2c-bf41-29eaadacfd1a@googlegroups.com> <r4ls2r$8lc$1@dont-email.me>

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"Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> writes:
> On 15.03.2020 17:46, Öö Tiib wrote:
>> [snap]. However C++17 took to break performance feature constexpr
>> (by making it undetectable) and safety feature enum class (by adding
>> more undefined behaviors into it). Then I built impression that
>> it is sabotage.
>
> Which undefined behaviors for enums?
>
> What I recall is the opposite, that the introduction of `std::bool`
> forced a cleanup where now all enumerator values that fit within the
> underlying type are kosher also formally.

What is "std::bool"?  (Since bool is a keyword, the grammar would have
to be updated just to allow that.)

> If they have undermined the language in yet another direction it's,
> well, disconcerting.

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
Working, but not speaking, for Philips Healthcare
void Void(void) { Void(); } /* The recursive call of the void */

Thread

Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-13 00:13 +0100
  Re: Structured binding considered harmful Maciej Sobczak <see.my.homepage@gmail.com> - 2020-03-13 00:46 -0700
    Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-14 09:10 +0100
  Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-13 09:40 -0700
    Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-14 09:05 +0100
      Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-14 03:19 -0700
        Re: Structured binding considered harmful Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-03-15 11:08 +0000
          Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-15 09:46 -0700
            Re: Structured binding considered harmful "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2020-03-15 19:27 +0100
              Re: Structured binding considered harmful Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-03-15 15:15 -0700
                Re: Structured binding considered harmful "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2020-03-16 05:23 +0100
                Re: Structured binding considered harmful "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2020-03-16 05:54 +0100
              Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-16 00:20 -0700
  Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-13 23:08 -0400
    Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-14 08:59 +0100
      Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-14 10:09 -0400
        Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-14 18:32 +0100
          Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-14 18:33 -0400
  Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-15 17:50 +0100
    Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-16 00:11 +0100
      Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-16 05:24 +0100
        Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-16 06:46 -0400
          Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-16 12:52 +0100
            Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-16 08:32 -0400
              Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-16 13:51 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-16 20:06 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-17 06:37 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-17 07:17 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-17 18:37 +0100
                Re: Structured binding considered harmful "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2020-03-17 18:50 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 06:30 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 11:38 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 08:17 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 13:19 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 08:31 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 14:15 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 10:13 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 15:45 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 11:36 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 17:59 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 13:18 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 18:27 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 14:41 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 19:46 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 19:46 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-19 06:41 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-19 07:02 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-19 12:41 +0100
                Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-19 06:10 -0700
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-19 14:15 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-19 19:23 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-20 09:18 +0100
                Re: Structured binding considered harmful James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-03-20 05:31 -0700
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-20 13:40 +0100
                Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-20 08:50 -0700
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-20 09:30 -0700
                Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-20 10:13 -0700
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-20 10:36 -0700
                Re: Structured binding considered harmful Ian Collins <ian-news@hotmail.com> - 2020-03-21 12:06 +1300
                Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-20 16:37 -0700
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-20 17:17 -0700
                Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-21 10:09 -0700
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-21 11:21 -0700
                Re: Structured binding considered harmful Öö Tiib <ootiib@hot.ee> - 2020-03-21 13:09 -0700
                Re: Structured binding considered harmful Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-03-21 22:33 +0000
                Re: Structured binding considered harmful Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-03-20 17:30 +0000
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-20 10:49 -0700
                Re: Structured binding considered harmful Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-03-20 18:47 +0000
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-20 17:41 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-20 18:06 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-21 06:31 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-21 09:50 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-21 14:59 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-21 10:42 -0400
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-21 16:09 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-21 11:12 -0400
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-20 18:05 -0400
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-20 15:57 -0700
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-20 23:23 -0400
                Re: Structured binding considered harmful Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-03-20 21:08 -0700
                Re: Structured binding considered harmful Ralf Goertz <me@myprovider.invalid> - 2020-03-21 08:24 +0100
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-21 01:36 -0700
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-21 06:30 +0100
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-21 09:51 -0400
                Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-22 13:22 +0100
                Re: Structured binding considered harmful Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-03-22 13:24 +0000
                Re: Structured binding considered harmful James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-03-22 06:32 -0700
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-22 07:59 -0700
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-22 13:02 -0400
                Re: Structured binding considered harmful Melzzzzz <Melzzzzz@zzzzz.com> - 2020-03-22 17:09 +0000
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-22 13:35 -0400
                Re: Structured binding considered harmful Melzzzzz <Melzzzzz@zzzzz.com> - 2020-03-22 17:54 +0000
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-22 17:19 -0400
                Re: Structured binding considered harmful Melzzzzz <Melzzzzz@zzzzz.com> - 2020-03-22 21:46 +0000
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-22 19:06 -0400
                Re: Structured binding considered harmful danielaparker@gmail.com - 2020-03-22 17:11 -0700
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-22 22:16 -0400
                Re: Structured binding considered harmful Chris Vine <chris@cvine--nospam--.freeserve.co.uk> - 2020-03-25 20:38 +0000
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-25 20:01 -0400
                Re: Structured binding considered harmful danielaparker@gmail.com - 2020-03-22 10:58 -0700
                Re: Structured binding considered harmful Ian Collins <ian-news@hotmail.com> - 2020-03-23 07:41 +1300
                Re: Structured binding considered harmful James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-03-22 15:01 -0400
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-22 10:24 -0400
                Re: Structured binding considered harmful James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-03-20 20:15 -0700
                Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-21 08:32 +0100
                Re: Structured binding considered harmful David Brown <david.brown@hesbynett.no> - 2020-03-21 11:27 +0100
                Re: Structured binding considered harmful Mr Flibble <flibbleREMOVETHISBIT@i42.co.uk> - 2020-03-21 13:34 +0000
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-21 07:11 -0700
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-21 10:45 -0400
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-21 08:03 -0700
                Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-19 08:24 -0700
                Re: Structured binding considered harmful Ian Collins <ian-news@hotmail.com> - 2020-03-19 09:05 +1300
                Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-18 19:47 -0400
                Re: Structured binding considered harmful James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-03-18 11:43 -0700
                Re: Structured binding considered harmful Bonita Montero <Bonita.Montero@gmail.com> - 2020-03-18 19:48 +0100
                Re: Structured binding considered harmful James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-03-18 12:37 -0700
          Re: Structured binding considered harmful jacobnavia <jacob@jacob.remcomp.fr> - 2020-03-16 16:11 +0100
            Re: Structured binding considered harmful Ian Collins <ian-news@hotmail.com> - 2020-03-17 08:17 +1300
            Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-16 13:12 -0700
            Re: Structured binding considered harmful Sam <sam@email-scan.com> - 2020-03-16 20:13 -0400
  Re: Structured binding considered harmful Melzzzzz <Melzzzzz@zzzzz.com> - 2020-03-17 19:46 +0000
    Re: Structured binding considered harmful Daniel <danielaparker@gmail.com> - 2020-03-21 01:43 -0700

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