From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Ada 2005 puzzle
Date: Tue, 24 Jul 2012 09:54:17 +0200
Date: 2012-07-24T09:54:17+02:00 [thread overview]
Message-ID: <e3lpckmcck22$.eqnl4sn38ezy$.dlg@40tude.net> (raw)
In-Reply-To: 57ed1bca-b503-492c-a3b1-012369484e93@googlegroups.com
On Mon, 23 Jul 2012 21:23:50 -0700 (PDT), Adam Beneschan wrote:
> On Monday, July 23, 2012 7:38:30 PM UTC-7, Randy Brukardt wrote:
>>>
>>> I don't understand that, I am not a language lawyer. You are. Is my example
>>> legal and GNAT wrong? In case it is illegal, then how do I change the
>>> aggregate to make it legal.
>>
>> The example you have is illegal. But the reason it is illegal is not because
>> there are any semantic problems with the construct -- it's illegal purely
>> because it is difficult to implement on some compilers.
>
> Just to forestall any possible confusion: I think Dmitry's example *would*
> be illegal if it didn't involve a null extension. But since his original
> post did involve a null extension, I think the example in his post was
> legal and GNAT was wrong. I'm guessing, though, that Dmitry probably
> started with a non-null type extension and just understandably simplified
> it too far.
Exactly.
I repeat it again. It is not about any concrete example. It is about the
principle that constructing function would allow writing an aggregate for a
derived type.
[where the later is fully visible of course, when only abstract ancestors
extended by null record are in between. Put whatever *rational*
restrictions here].
If it does not, then I really fail to understand the purpose of.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2012-07-26 14:51 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 12:54 Ada 2005 puzzle Dmitry A. Kazakov
2012-07-12 15:48 ` Adam Beneschan
2012-07-12 16:34 ` Dmitry A. Kazakov
2012-07-19 6:53 ` Randy Brukardt
2012-07-19 7:55 ` Dmitry A. Kazakov
2012-07-20 2:22 ` Randy Brukardt
2012-07-20 7:20 ` Dmitry A. Kazakov
2012-07-21 0:04 ` Randy Brukardt
2012-07-21 8:34 ` Dmitry A. Kazakov
2012-07-24 2:38 ` Randy Brukardt
2012-07-24 4:23 ` Adam Beneschan
2012-07-24 7:54 ` Dmitry A. Kazakov [this message]
2012-07-25 23:39 ` Randy Brukardt
2012-07-26 7:41 ` Dmitry A. Kazakov
2012-07-26 13:08 ` Simon Wright
2012-07-26 13:55 ` Dmitry A. Kazakov
2012-07-27 9:42 ` AdaMagica
2012-07-27 10:32 ` Dmitry A. Kazakov
2012-07-27 11:58 ` Georg Bauhaus
2012-07-27 13:04 ` Dmitry A. Kazakov
2012-07-28 9:48 ` AdaMagica
2012-07-28 10:37 ` Dmitry A. Kazakov
2012-07-28 16:59 ` AdaMagica
2012-07-28 18:21 ` Dmitry A. Kazakov
2012-07-19 8:04 ` Maciej Sobczak
[not found] ` <juaghb$fv9$1@munin.nbi.dk>
2012-07-20 7:30 ` Dmitry A. Kazakov
2012-07-21 17:21 ` Vasiliy Molostov
2012-07-21 19:03 ` Dmitry A. Kazakov
2012-07-21 19:37 ` Vasiliy Molostov
2012-07-21 20:23 ` Dmitry A. Kazakov
2012-07-21 20:53 ` Vasiliy Molostov
2012-07-22 7:41 ` Dmitry A. Kazakov
2012-07-22 8:00 ` Vasiliy Molostov
2012-07-22 8:19 ` Dmitry A. Kazakov
2012-07-22 9:06 ` Vasiliy Molostov
2012-07-22 9:34 ` Dmitry A. Kazakov
2012-07-20 8:09 ` Maciej Sobczak
2012-07-20 8:27 ` Dmitry A. Kazakov
2012-07-20 11:30 ` Maciej Sobczak
2012-07-20 12:49 ` Dmitry A. Kazakov
2012-07-21 22:46 ` Maciej Sobczak
2012-07-22 8:03 ` Dmitry A. Kazakov
2012-07-22 10:08 ` Florian Weimer
2012-07-22 11:18 ` Dmitry A. Kazakov
2012-07-21 0:12 ` Randy Brukardt
2012-07-22 9:52 ` Florian Weimer
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