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From: "Vinzent Hoefler" <nntp-2010-10@t-domaingrabbing.de>
Subject: Re: Discriminants of tagged types
Date: Fri, 29 Oct 2010 20:59:17 +0200
Date: 2010-10-29T20:59:17+02:00	[thread overview]
Message-ID: <op.vlcpo3ek0k3wt7@jellix.jlfencey.com> (raw)
In-Reply-To: 14f33f04-40f5-4a72-a18b-d511dd2eb3b3@w21g2000vby.googlegroups.com

On Thu, 28 Oct 2010 10:50:51 +0200, Maciej Sobczak <see.my.homepage@gmail.com> wrote:

> On 28 Paź, 09:53, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
> wrote:
>
>> > Because tagged types usually represent entities that are bound to some
>> > resources
>>
>> This has nothing to do with copying. Consider a handle of a resource, e.g.
>> HWND as an example. It is bound to the resource, nevertheless it is
>> copyable.
>
> Just like a file descriptor. Yet, there is no reason for these things
> to be polymorphic.

But they already are.

Sometimes they are files, sometimes devices, sometimes sockets, ...


Vinzent.

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  parent reply	other threads:[~2010-10-29 18:59 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-27 12:16 Discriminants of tagged types Maciej Sobczak
2010-10-27 12:34 ` Ludovic Brenta
2010-10-27 13:19   ` Dmitry A. Kazakov
2010-10-27 13:52     ` Robert A Duff
2010-10-27 14:12       ` Dmitry A. Kazakov
2010-10-27 13:44 ` Robert A Duff
2010-10-27 15:06   ` Adam Beneschan
2010-10-27 15:58     ` Yannick Duchêne (Hibou57)
2010-10-27 16:35       ` Vinzent Hoefler
2010-10-27 17:58       ` J-P. Rosen
2010-10-27 20:18         ` Yannick Duchêne (Hibou57)
2010-10-27 20:26       ` Adam Beneschan
2010-10-27 22:07         ` Yannick Duchêne (Hibou57)
2010-10-27 22:42           ` Adam Beneschan
2010-10-27 15:13   ` Maciej Sobczak
2010-10-27 16:02     ` Yannick Duchêne (Hibou57)
2010-10-27 21:13       ` Maciej Sobczak
2010-10-27 21:23         ` Ludovic Brenta
2010-10-28  8:38           ` Maciej Sobczak
2010-10-27 21:25         ` Vinzent Hoefler
2010-10-28  7:53         ` Dmitry A. Kazakov
2010-10-28  8:50           ` Maciej Sobczak
2010-10-28 10:28             ` Dmitry A. Kazakov
2010-10-28 17:48             ` Yannick Duchêne (Hibou57)
2010-10-29 18:59             ` Vinzent Hoefler [this message]
2010-10-30 21:05               ` Maciej Sobczak
2010-10-30 21:21                 ` Vinzent Hoefler
2010-10-30 22:01                   ` Yannick Duchêne (Hibou57)
2010-10-31 16:20                   ` Maciej Sobczak
2010-10-31 17:04                     ` Yannick Duchêne (Hibou57)
2010-10-31 18:36                     ` Shark8
2010-10-31 21:06                       ` Maciej Sobczak
2010-11-01  0:44                         ` Shark8
2010-11-01  9:41                           ` Maciej Sobczak
2010-10-27 16:06     ` Robert A Duff
2010-10-27 16:34       ` Yannick Duchêne (Hibou57)
2010-10-27 21:05       ` Maciej Sobczak
2010-10-28  0:35         ` Robert A Duff
2010-10-28  8:55           ` Maciej Sobczak
2010-10-27 21:28       ` Simon Wright
2010-10-27 13:54 ` J-P. Rosen
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