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Groups > comp.lang.c++ > #6019

Re: Problem with array objects

From Ian Collins <ian-news@hotmail.com>
Newsgroups comp.lang.c++
Subject Re: Problem with array objects
Date 2011-06-02 09:28 +1200
Message-ID <94np71F12lU11@mid.individual.net> (permalink)
References <lHdip.162437$OU.122874@newsfe02.ams2> <_bxFp.30559$h35.23885@newsfe19.ams2> <201106011031592971-pete@versatilecodingcom> <zVxFp.43306$yI6.16828@newsfe06.ams2>

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On 06/ 2/11 09:10 AM, Paul wrote:
>
> If its an object then , as defined in the standards, an object is a region
> of storage, so where is this object stored? It cannot be stored int he same
> region as its elements because that region of storage is modifiable.

Consider:

struct X { mutable int n; };

int main()
{
   const X x1 = {0};
   X x2 = {1};

   x1 = x2;     // Error, x1 isn't modifiable.
   x1.n = x2.n; // OK, x1.n is.
}

Are there two instances of x1?

-- 
Ian Collins

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Thread

Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-25 21:46 +0100
  Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-25 20:02 -0400
    Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-26 01:37 +0100
      Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-26 09:08 -0400
        Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-26 15:19 +0100
          Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-26 14:45 -0400
            Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-26 21:02 +0100
              Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-27 09:34 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-27 14:46 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-27 15:07 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-27 21:42 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-27 19:34 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-28 01:24 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-28 10:58 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-28 19:41 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-28 20:38 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-29 12:32 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-29 10:05 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-29 20:13 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-29 19:38 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-30 17:01 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-05-31 09:45 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 20:33 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-06-01 09:57 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 15:53 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 16:46 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 19:44 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 19:59 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 21:41 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 22:10 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:39 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 23:21 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:32 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-06-01 12:33 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 19:18 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 19:38 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 20:10 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 20:18 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:01 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 22:25 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:43 +0100
                Re: Problem with array objects Ian Collins <ian-news@hotmail.com> - 2011-06-02 09:49 +1200
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 23:27 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 00:26 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-02 00:33 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 08:52 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-06-01 15:37 -0400
                Re: Problem with array objects Ian Collins <ian-news@hotmail.com> - 2011-06-02 07:46 +1200
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 21:22 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-06-01 10:31 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:10 +0100
                Re: Problem with array objects Ian Collins <ian-news@hotmail.com> - 2011-06-02 09:28 +1200
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:59 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 15:05 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:35 +0100
                Re: Problem with array objects Ian Collins <ian-news@hotmail.com> - 2011-06-02 10:51 +1200
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 00:28 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 16:33 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 09:03 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-02 01:23 -0700
                Re: Problem with array objects Miles Bader <miles@gnu.org> - 2011-06-02 17:31 +0900
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-02 01:39 -0700
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-06-01 11:28 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:54 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-06-01 12:08 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:41 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 14:56 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:17 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:17 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 15:32 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:58 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 16:31 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 08:50 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 21:05 +0100
                Re: Problem with array objects Thomas David Rivers <rivers@dignus.com> - 2011-06-01 16:38 -0400
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:20 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 14:42 -0700
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-05-27 17:44 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-28 03:11 +0100
                Re: Problem with array objects Öö Tiib <ootiib@hot.ee> - 2011-05-28 19:21 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-29 12:50 +0100
                Re: Problem with array objects Öö Tiib <ootiib@hot.ee> - 2011-05-29 07:21 -0700
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-05-29 15:30 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-29 20:43 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-05-29 21:51 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 03:08 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-05-30 17:39 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 06:05 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-05-31 09:38 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 20:50 +0100
                Re: Problem with array objects SG <s.gesemann@gmail.com> - 2011-05-31 02:23 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 13:29 +0100
                Re: Problem with array objects "Fred Zwarts \(KVI\)" <F.Zwarts@KVI.nl> - 2011-05-31 15:17 +0200
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 20:43 +0100
                Re: Problem with array objects Michael Doubez <michael.doubez@free.fr> - 2011-05-31 02:43 -0700
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-05-31 14:38 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-31 20:45 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-05-31 21:11 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 10:23 +0100
                Re: Problem with array objects gwowen <gwowen@gmail.com> - 2011-06-01 03:08 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 15:59 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 13:45 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 14:23 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 16:02 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 16:33 +0100
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 19:52 +0100
                Re: Problem with array objects Leigh Johnston <leigh@i42.co.uk> - 2011-06-01 20:02 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-06-01 09:16 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 21:00 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-06-01 10:09 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 22:31 +0100
                Re: Problem with array objects Pete Becker <pete@versatilecoding.com> - 2011-06-01 11:58 -1000
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:21 +0100
                Re: Problem with array objects crisgoogle <crisd@telus.net> - 2011-06-01 16:22 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 00:48 +0100
                Re: Problem with array objects crisgoogle <crisd@telus.net> - 2011-06-02 11:06 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-02 19:58 +0100
                Re: Problem with array objects crisgoogle <crisd@telus.net> - 2011-06-02 13:28 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-03 01:16 +0100
                Re: Problem with array objects crisgoogle <crisd@telus.net> - 2011-06-02 18:51 -0700
                Re: Problem with array objects PaulR <pchristor@yahoo.co.uk> - 2011-06-03 04:59 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-06-01 23:21 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-01 14:46 -0700
                Re: Problem with array objects Michael Doubez <michael.doubez@free.fr> - 2011-06-01 00:46 -0700
                Re: Problem with array objects "Paul" <pchristor@yahoo.co.uk> - 2011-05-29 20:29 +0100
                Re: Problem with array objects Joshua Maurice <joshuamaurice@gmail.com> - 2011-05-29 23:11 -0700

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