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Re: Structured binding considered harmful

From jacobnavia <jacob@jacob.remcomp.fr>
Newsgroups comp.lang.c++
Subject Re: Structured binding considered harmful
Date 2020-03-14 09:10 +0100
Organization A noiseless patient Spider
Message-ID <r4i3hh$iui$1@dont-email.me> (permalink)
References <r4efnn$f41$1@dont-email.me> <ade309c1-cb5a-4375-8474-9781b6bc3ff6@googlegroups.com>

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Le 13/03/2020 à 08:46, Maciej Sobczak a écrit :
>> All the structured binding constructs have to be modified
> And for some this is actually a feature, because without extremely costly review of existing code, the compiler will*automatically*  tell you where are all the places that might require your attention. If neglecting the new field in any given place would result in a bug, you have all such potential places reported to you for free.

But the old way of writing it in C++14 doesn't have those pitfalls!

Even if you add 30 new fields, since the binding is done "manually" it 
will continue to work unmodified. You just declare two new variables and 
assign to them the values of the fields you want!

WHY this "enhancement" if the old way is more robust?

THAT is my point!!!

Here we have a new way of doing the same thing that is in many cases 
WORST as the current one and will be added anyway, making an already 
very complex language EVEN MORE COMPLEX!

And THAT was my point!

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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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