comp.lang.ada
 help / color / mirror / Atom feed
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Inherited Methods and such
Date: Sun, 30 Sep 2007 10:38:02 +0200
Date: 2007-09-30T10:38:02+02:00	[thread overview]
Message-ID: <je8p8kqtgaq1$.1ozswdzqvmouw$.dlg@40tude.net> (raw)
In-Reply-To: wccwsu9vy64.fsf@shell01.TheWorld.com

On Sat, 29 Sep 2007 19:39:47 -0400, Robert A Duff wrote:

> One limitation of my example: it doesn't work if the parent
> type is abstract.  In a from-scratch language design, I think
> I would solve that problem by allowing the creation of objects
> of abstract type. And constructor functions returns such
> objects.  But don't allow conversion of such objects to
> class-wide (to avoid dispatching (to abstract subprograms)).
> What do you think about that?  It's not Ada, of course.

The black hole of copying non-copyable, returning already existing into
itself, now, creating impossible is swallowing the language. (:-))

I think that a construction model of
constraint->implementation->unconstrained-thing is semantically cleaner and
can work for all types.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de



  reply	other threads:[~2007-09-30  8:38 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-17 14:26 Inherited Methods and such shaunpatterson
2007-09-17 15:11 ` Ludovic Brenta
2007-09-17 16:46   ` shaunpatterson
2007-09-17 19:07     ` Ludovic Brenta
2007-09-17 20:22   ` Maciej Sobczak
2007-09-17 21:07     ` Ludovic Brenta
2007-09-18 14:27       ` Maciej Sobczak
2007-09-18 14:27       ` Maciej Sobczak
2007-09-18 15:25         ` Dmitry A. Kazakov
2007-09-18 18:34           ` Ludovic Brenta
2007-09-18 19:29             ` Dmitry A. Kazakov
2007-09-18 19:39               ` Ludovic Brenta
2007-09-18 20:49                 ` Dmitry A. Kazakov
2007-09-18 21:10               ` Simon Wright
2007-09-18 20:39           ` Maciej Sobczak
2007-09-18 21:12             ` Dmitry A. Kazakov
2007-09-19 14:49               ` Maciej Sobczak
2007-09-19 15:16                 ` Dmitry A. Kazakov
2007-09-19 22:13                   ` Maciej Sobczak
2007-09-20  8:12                     ` Dmitry A. Kazakov
2007-09-20 13:52                       ` Maciej Sobczak
2007-09-20 16:22                         ` Dmitry A. Kazakov
2007-09-20 20:45                           ` Maciej Sobczak
2007-09-21 18:59                             ` Dmitry A. Kazakov
2007-09-21 21:02                               ` Maciej Sobczak
2007-09-22  8:48                                 ` Dmitry A. Kazakov
2007-09-22 21:53                                   ` Maciej Sobczak
2007-09-23  8:41                                     ` Dmitry A. Kazakov
2007-09-23 20:36                                       ` Maciej Sobczak
2007-09-24  9:32                                         ` Dmitry A. Kazakov
2007-09-24 15:02                                           ` Maciej Sobczak
2007-09-24 19:20                                             ` Dmitry A. Kazakov
2007-09-25 20:53                                               ` Maciej Sobczak
2007-09-26 10:42                                                 ` Dmitry A. Kazakov
2007-09-26 21:31                                                   ` Maciej Sobczak
2007-09-27 15:02                                                     ` Dmitry A. Kazakov
2007-09-27 21:02                                                       ` Maciej Sobczak
2007-09-26 12:21                                                 ` Robert A Duff
2007-09-26 12:54                                                   ` Dmitry A. Kazakov
2007-09-26 21:37                                                   ` Maciej Sobczak
2007-09-26 23:47                                                     ` Randy Brukardt
2007-09-27 21:08                                                       ` Maciej Sobczak
2007-09-28  0:44                                                         ` Randy Brukardt
2007-09-28 20:32                                                           ` Maciej Sobczak
2007-09-28 22:35                                                             ` Randy Brukardt
2007-09-29 23:58                                                             ` Robert A Duff
2007-09-26 12:26                                                 ` Robert A Duff
2007-09-26 21:50                                                   ` Maciej Sobczak
2007-09-26 22:20                                                     ` Ray Blaak
2007-09-27  0:01                                                     ` Randy Brukardt
2007-09-27 13:39                                                     ` Robert A Duff
2007-09-27 14:54                                                       ` Dmitry A. Kazakov
2007-09-28  0:35                                                         ` Randy Brukardt
     [not found]                                                           ` <7p6gc1s9imfa$.kmvwf5zyf8e9.dlg@40tude.net>
2007-09-28 22:53                                                             ` Randy Brukardt
2007-09-29 20:37                                                               ` Dmitry A. Kazakov
2007-09-27 21:23                                                       ` Maciej Sobczak
2007-09-28 19:12                                                         ` Robert A Duff
2007-09-28 19:02                                                     ` Robert A Duff
2007-09-28 19:42                                                       ` Robert A Duff
2007-09-28 20:44                                                         ` Maciej Sobczak
2007-09-28 22:40                                                           ` Randy Brukardt
2007-09-29 20:35                                                           ` Dmitry A. Kazakov
2007-09-29 20:52                                                             ` Maciej Sobczak
2007-09-30  8:38                                                               ` Dmitry A. Kazakov
2007-09-29 23:47                                                             ` Robert A Duff
2007-09-29 20:48                                                           ` Maciej Sobczak
2007-09-29 23:39                                                             ` Robert A Duff
2007-09-30  8:38                                                               ` Dmitry A. Kazakov [this message]
2007-09-29 23:42                                                           ` Robert A Duff
2007-09-25  1:59                                   ` Randy Brukardt
2007-09-25  8:59                                     ` Dmitry A. Kazakov
2007-09-25 21:02                                       ` Randy Brukardt
2007-09-26 12:42                                         ` Dmitry A. Kazakov
2007-09-18  4:03 ` Steve
replies disabled

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox