From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Generic procedures and their parameters
Date: Sat, 9 Sep 2006 09:14:43 +0200
Date: 2006-09-09T09:14:26+02:00 [thread overview]
Message-ID: <fn4grjn2wscc.1r97wu1ez1l05$.dlg@40tude.net> (raw)
In-Reply-To: 3aqdnWxXdPQDhZ_YnZ2dnUVZ_vmdnZ2d@megapath.net
On Fri, 8 Sep 2006 20:29:20 -0500, Randy Brukardt wrote:
> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message
> news:g3c05xzf7uad$.wucggq0h6wuy$.dlg@40tude.net...
> ...
>> Yes, that's when somebody wanted to have different orders. But that in my
>> view is a different case, in which "<" should be better passed to Sort as a
>> plain parameter, rather than generic or primitive subprogram.
>
> We considered that, too, and decided not to do it because it because it
> doesn't work well in Ada. "<" is usually Intrinsic, and Intrinsic things
> cannot be passed as access-to-subprogram parameters. So you'd have to
> explicitly build a wrapper function, with all of the possibilities for error
> that that exposes. Generic instantiations don't have that limitation (as
> they are are considered more heavyweight than a simple 'Access).
Well, I never could understand why shouldn't we make procedural types and
forget all that C-ish mess with access-to-procedure.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2006-09-09 7:14 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-06 8:51 Generic procedures and their parameters Maciej Sobczak
2006-09-06 9:43 ` Dmitry A. Kazakov
2006-09-06 12:36 ` Maciej Sobczak
2006-09-06 13:11 ` Robert A Duff
2006-09-06 14:14 ` Maciej Sobczak
2006-09-06 15:09 ` Dmitry A. Kazakov
2006-09-06 16:35 ` Georg Bauhaus
2006-09-07 7:32 ` Dmitry A. Kazakov
2006-09-07 6:48 ` Georg Bauhaus
2006-09-07 10:19 ` Dmitry A. Kazakov
2006-09-08 9:11 ` Maciej Sobczak
2006-09-08 10:19 ` Dmitry A. Kazakov
2006-09-09 14:49 ` Robert A Duff
2006-09-09 15:34 ` Dmitry A. Kazakov
2006-09-09 23:26 ` Jeffrey R. Carter
2006-09-10 11:49 ` Robert A Duff
2006-09-10 19:43 ` Jeffrey R. Carter
2006-09-06 13:02 ` Robert A Duff
2006-09-06 14:09 ` Dmitry A. Kazakov
2006-09-08 3:35 ` Randy Brukardt
2006-09-08 7:21 ` Dmitry A. Kazakov
2006-09-09 1:29 ` Randy Brukardt
2006-09-09 7:14 ` Dmitry A. Kazakov [this message]
2006-09-09 14:32 ` Robert A Duff
2006-09-06 12:56 ` Robert A Duff
2006-09-07 2:47 ` Steve
2006-09-07 7:47 ` Dmitry A. Kazakov
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