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From: Niklas Holsti <niklas.holsti@tidorum.invalid>
Subject: Re: Your wish list for Ada 202X
Date: Fri, 11 Apr 2014 21:04:58 +0200
Date: 2014-04-11T21:04:58+02:00	[thread overview]
Message-ID: <bqqsmqFk8b9U1@mid.individual.net> (raw)
In-Reply-To: <17twpp4p8u7o$.1idvzaaio4f3t$.dlg@40tude.net>

On 14-04-10 17:31 , Dmitry A. Kazakov wrote:
> On Wed, 9 Apr 2014 22:28:36 -0500, Randy Brukardt wrote:

  [snip]

>> We don't want "type-specific" implementations of most things -- that's just 
>> adding a maintenance headache where one isn't needed.
> 
> It is need for
> 
> 1. safety (because you statically know that certain specific operation may
> not fail, while class-wide operations can)
> 
> 2. efficiency
> 
> There is no maintenance overhead whatsoever. Here is the proof. Let you can
> provide a generic implementation (as you suggested), then this
> implementation can be safely inherited. 

If you change a class-wide operation to an inherited (i.e. primitive)
operation, you have to change its dispatching calls to redispatching
calls, if you want the same behaviour as for the class-wide operation.

But (based on your earlier messages) you refuse to use redispatch, so
this change is not possible for you. Your proof fails when limited to
your subset of Ada, where redispatch is absent.

-- 
Niklas Holsti
Tidorum Ltd
niklas holsti tidorum fi
      .      @       .

  parent reply	other threads:[~2014-04-11 19:04 UTC|newest]

Thread overview: 240+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-25 21:41 Your wish list for Ada 202X Stoik
2014-03-25 22:14 ` Simon Wright
2014-03-26  6:25 ` Shark8
2014-03-26 20:41   ` Randy Brukardt
2014-03-27  9:20     ` Shark8
2014-03-27 21:50       ` Randy Brukardt
2014-03-28  1:54         ` Jeffrey Carter
2014-03-28  8:17         ` Dmitry A. Kazakov
2014-03-28 21:27           ` Randy Brukardt
2014-03-29  9:44             ` Dmitry A. Kazakov
2014-03-31 23:55               ` Randy Brukardt
2014-04-01  8:20                 ` Dmitry A. Kazakov
2014-04-01 10:51                   ` G.B.
2014-04-01 12:40                     ` Dmitry A. Kazakov
2014-04-02 22:39                   ` Randy Brukardt
2014-04-03  2:59                     ` Shark8
2014-04-05 11:10                     ` Dmitry A. Kazakov
2014-04-08  1:15                       ` Randy Brukardt
2014-04-08  9:15                         ` Dmitry A. Kazakov
2014-04-08 10:15                           ` G.B.
2014-04-08 10:56                             ` Dmitry A. Kazakov
2014-04-08 23:37                           ` Randy Brukardt
2014-04-09 10:40                             ` Dmitry A. Kazakov
2014-04-10  3:28                               ` Randy Brukardt
2014-04-10  8:42                                 ` Georg Bauhaus
2014-04-10 21:52                                   ` Randy Brukardt
2014-04-10 15:31                                 ` Dmitry A. Kazakov
2014-04-10 22:08                                   ` Randy Brukardt
2014-04-11  6:20                                     ` Dmitry A. Kazakov
2014-04-11 21:34                                       ` Randy Brukardt
2014-04-10 22:39                                   ` Randy Brukardt
2014-04-11  6:40                                     ` Dmitry A. Kazakov
2014-04-11 21:44                                       ` Randy Brukardt
2014-04-12  8:45                                         ` Dmitry A. Kazakov
2014-04-14 23:39                                           ` Randy Brukardt
2014-04-15  7:55                                             ` Dmitry A. Kazakov
2014-04-15 21:27                                               ` Randy Brukardt
2014-04-16  7:52                                                 ` Dmitry A. Kazakov
2014-04-16 21:53                                                   ` Randy Brukardt
2014-04-17  7:39                                                     ` Dmitry A. Kazakov
2014-04-17 17:29                                                       ` Randy Brukardt
2014-04-17 19:54                                                         ` Dmitry A. Kazakov
2014-04-11 19:04                                   ` Niklas Holsti [this message]
2014-04-11 20:43                                     ` Dmitry A. Kazakov
2014-04-11 22:04                                       ` Niklas Holsti
2014-04-12  8:20                                         ` Dmitry A. Kazakov
2014-04-12  8:39                                           ` Nasser M. Abbasi
2014-04-12  9:38                                             ` Dmitry A. Kazakov
2014-04-12  9:55                                               ` Georg Bauhaus
2014-04-12 10:45                                                 ` Dmitry A. Kazakov
2014-04-14 23:45                                                   ` Randy Brukardt
2014-04-12 10:17                                               ` Nasser M. Abbasi
2014-04-12 10:48                                                 ` Dmitry A. Kazakov
2014-04-13 19:43                                           ` Niklas Holsti
2014-04-13 21:07                                             ` Dmitry A. Kazakov
2014-04-18 19:10                                               ` Niklas Holsti
2014-04-18 21:18                                                 ` Dmitry A. Kazakov
2014-04-19  7:35                                                   ` Niklas Holsti
2014-04-19  8:19                                                     ` Dmitry A. Kazakov
2014-04-19  8:39                                                       ` Dmitry A. Kazakov
2014-04-19  9:08                                                         ` Niklas Holsti
2014-04-19 10:06                                                           ` Dmitry A. Kazakov
2014-04-19 13:53                                                             ` Niklas Holsti
2014-04-19 14:21                                                               ` Dmitry A. Kazakov
2014-04-19 18:28                                                                 ` Niklas Holsti
2014-04-19  9:05                                                       ` Niklas Holsti
2014-04-19 10:18                                                         ` Dmitry A. Kazakov
2014-04-15  0:08                                             ` Randy Brukardt
2014-04-15  7:21                                               ` Natasha Kerensikova
2014-04-15 21:20                                                 ` Randy Brukardt
2014-04-16  6:32                                                 ` Niklas Holsti
2014-04-16  7:24                                                   ` Natasha Kerensikova
2014-04-16  7:31                                                   ` Dmitry A. Kazakov
2014-04-16  9:30                                                   ` Redispatching (was: Your wish list for Ada 202X) J-P. Rosen
2014-04-16 19:53                                                     ` Redispatching Niklas Holsti
2014-04-17  7:26                                                       ` Redispatching Dmitry A. Kazakov
2014-04-17  8:22                                                         ` Redispatching Georg Bauhaus
2014-04-18 20:08                                                         ` Redispatching Niklas Holsti
2014-04-18 20:51                                                           ` Redispatching Dmitry A. Kazakov
2014-04-19  9:17                                                             ` Redispatching Georg Bauhaus
2014-04-19 10:58                                                               ` Redispatching Dmitry A. Kazakov
2014-04-19 11:21                                                                 ` Redispatching Georg Bauhaus
2014-04-17  8:53                                                       ` Redispatching J-P. Rosen
2014-04-16 21:44                                               ` Your wish list for Ada 202X Niklas Holsti
2014-04-16 22:27                                                 ` Randy Brukardt
2014-04-18 19:59                                                   ` Niklas Holsti
2014-04-18 21:28                                                     ` Randy Brukardt
2014-04-19  8:14                                                       ` Niklas Holsti
2014-04-21 23:09                                                         ` Randy Brukardt
2014-04-22  6:08                                                           ` Niklas Holsti
2014-04-22  8:02                                                           ` Dmitry A. Kazakov
2014-04-22  8:30                                                             ` Shark8
2014-04-22  9:14                                                               ` Dmitry A. Kazakov
2014-04-22 23:23                                                                 ` Randy Brukardt
2014-04-23  7:45                                                                   ` Dmitry A. Kazakov
2014-04-23 19:43                                                                     ` Shark8
2014-04-23 20:00                                                                       ` Dmitry A. Kazakov
2014-04-23 21:28                                                                         ` Shark8
2014-04-24  7:30                                                                           ` Dmitry A. Kazakov
2014-04-24 15:20                                                                             ` Shark8
2014-04-24 16:19                                                                               ` Dmitry A. Kazakov
2014-04-24 16:50                                                                                 ` Shark8
2014-04-24 16:57                                                                                   ` Dmitry A. Kazakov
2014-04-19 10:02                                                       ` Georg Bauhaus
2014-03-27 22:06       ` Randy Brukardt
2014-03-28  5:23         ` Shark8
2014-03-26  8:17 ` Dmitry A. Kazakov
2014-03-26  9:02   ` J Kimball
2014-03-26  9:27     ` Dmitry A. Kazakov
2014-03-26 10:30       ` Marius Amado-Alves
2014-03-26 15:11         ` G.B.
2014-03-26 21:55       ` Simon Clubley
2014-03-26 15:03     ` G.B.
2014-03-26 22:00     ` Simon Clubley
2014-03-26 16:01   ` Anh Vo
2014-03-26 17:04     ` Dmitry A. Kazakov
2014-03-27 15:03       ` Dan'l Miller
2014-03-27 16:02         ` Dmitry A. Kazakov
2014-03-26 16:17   ` Stoik
2014-03-26 17:15     ` Dmitry A. Kazakov
2014-03-26 18:04     ` G.B.
2014-03-26 18:47       ` Simon Wright
2014-03-26 19:51         ` Georg Bauhaus
2014-03-27 14:43       ` Jacob Sparre Andersen
2014-03-27 22:50         ` Randy Brukardt
2014-03-28  5:22           ` J-P. Rosen
2014-03-28  7:54           ` Jacob Sparre Andersen
2014-03-28 21:22             ` Randy Brukardt
2014-03-26 21:06     ` Randy Brukardt
2014-03-26 23:15       ` J Kimball
2014-03-27  8:26       ` Dmitry A. Kazakov
2014-03-27 10:54         ` Georg Bauhaus
2014-03-27 15:42           ` Dmitry A. Kazakov
2014-03-27 21:35         ` Randy Brukardt
2014-04-29 14:26       ` Tero Koskinen
2014-04-29 15:39         ` Dan'l Miller
2014-04-29 17:10         ` Simon Clubley
2014-04-29 17:13           ` Tero Koskinen
2014-04-29 19:42             ` Simon Clubley
2014-03-30 12:28 ` francois_fabien
2014-03-30 13:40   ` Luke A. Guest
2014-03-30 14:24     ` Simon Clubley
2014-03-30 18:48       ` Luke A. Guest
2014-03-30 19:22         ` Dmitry A. Kazakov
2014-03-30 14:28     ` Simon Clubley
2014-03-30 15:14       ` Peter Chapin
2014-03-30 18:48         ` Luke A. Guest
2014-03-30 18:48       ` Luke A. Guest
2014-03-30 23:41         ` Simon Clubley
2014-03-31 15:39     ` Adam Beneschan
2014-03-30 13:46   ` Simon Clubley
2014-03-30 19:02   ` Pascal Obry
2014-03-30 19:33     ` Dmitry A. Kazakov
2014-03-30 19:59       ` Pascal Obry
2014-03-31 15:13         ` Stoik
2014-03-31 16:22           ` Pascal Obry
2014-03-31 16:47           ` Pascal Obry
2014-03-31 18:59           ` Dmitry A. Kazakov
2014-04-05  8:28       ` Pascal Obry
2014-04-05 11:06         ` Georg Bauhaus
2014-04-05 11:20           ` Pascal Obry
2014-04-02 16:21 ` Britt
2014-04-02 22:53   ` Randy Brukardt
2014-04-03  0:01     ` Jeffrey Carter
2014-04-03  5:51       ` Pascal Obry
2014-04-03  6:27         ` Jeffrey Carter
2014-04-03 17:18           ` Pascal Obry
2014-04-03 19:11             ` Dan'l Miller
2014-04-03 19:18             ` Dan'l Miller
2014-04-03 21:17             ` Randy Brukardt
2014-04-04  0:29               ` Jeffrey Carter
2014-04-04  8:20                 ` Stefan.Lucks
2014-04-04 19:52                   ` J Kimball
2014-04-04 20:43                     ` Randy Brukardt
2014-04-04 20:54                       ` Shark8
2014-04-04 21:47                       ` Luke A. Guest
2014-04-08  0:47                         ` Randy Brukardt
2014-04-08  4:43                           ` J Kimball
2014-04-08  5:25                             ` Jeffrey Carter
2014-04-08 23:44                             ` Randy Brukardt
2014-04-04 20:53                 ` Randy Brukardt
2014-04-04 23:25                   ` Jeffrey Carter
2014-04-03  6:30         ` Georg Bauhaus
2014-04-03  0:06     ` Britt
2014-04-03 15:15   ` Robert A Duff
2014-04-03 20:19     ` Qun-Ying
2014-04-03 22:56       ` Robert A Duff
2014-04-04 18:31 ` Dan'l Miller
2014-04-04 21:08   ` Randy Brukardt
2014-04-05  3:39   ` Peter Chapin
2014-04-04 20:27 ` Shark8
2014-04-14  4:59 ` J Kimball
2014-04-14  6:54   ` Shark8
2014-04-15  0:22     ` Randy Brukardt
2014-04-15  0:18   ` Randy Brukardt
2014-04-15  5:28     ` J Kimball
2014-04-14 22:36 ` Shark8
2014-04-15  8:41   ` J-P. Rosen
2014-04-18  0:55 ` Robert Love
2014-04-18 11:39   ` Simon Wright
2014-04-23 12:55 ` björn lundin
2014-04-23 13:57   ` J-P. Rosen
2014-04-23 14:32     ` björn lundin
2014-04-23 15:43       ` J-P. Rosen
2014-04-23 16:31         ` björn lundin
2014-04-23 16:42           ` J-P. Rosen
2014-04-23 17:51             ` björn lundin
2014-04-23 21:29               ` Pascal Obry
2014-04-23 22:00                 ` J-P. Rosen
2014-04-23 23:48                   ` Shark8
2014-04-24  5:28                     ` J-P. Rosen
2014-04-23 20:11             ` Randy Brukardt
2014-04-23 20:03           ` Randy Brukardt
2014-04-24  9:08             ` björn lundin
2014-04-23 18:02         ` Jeffrey Carter
2014-04-23 20:14           ` Randy Brukardt
2014-04-24  9:16             ` björn lundin
2014-04-24 11:33               ` G.B.
2014-04-24 12:11                 ` björn lundin
2014-04-24 12:32                   ` G.B.
2014-04-23 14:38     ` Dmitry A. Kazakov
2014-04-23 15:46       ` J-P. Rosen
2014-04-23 16:27         ` Dmitry A. Kazakov
2014-04-23 16:40           ` J-P. Rosen
2014-04-23 17:39             ` Dmitry A. Kazakov
2014-04-23 21:40               ` J-P. Rosen
2014-04-24  7:42                 ` Dmitry A. Kazakov
2014-04-24  9:18                   ` J-P. Rosen
2014-04-23 14:06   ` Dmitry A. Kazakov
2014-04-23 14:44     ` björn lundin
2014-04-23 20:28       ` Randy Brukardt
2014-04-24 10:31         ` björn lundin
2014-04-25  1:22           ` Randy Brukardt
2014-04-25  2:19             ` Shark8
2014-04-25  7:31               ` Dmitry A. Kazakov
2014-04-23 14:58     ` björn lundin
2014-04-23 18:05   ` Jeffrey Carter
2014-04-23 19:48   ` Shark8
2014-04-24  9:03     ` G.B.
2014-04-25  1:27       ` Randy Brukardt
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