From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Why constructing functions is a mess [was Language lawyer question: task activation
Date: Sat, 28 Feb 2009 18:48:35 +0100
Date: 2009-02-28T18:48:38+01:00 [thread overview]
Message-ID: <1mjbcbequf1wz.1o3nwuz7oqteo.dlg@40tude.net> (raw)
In-Reply-To: 49a97231$0$30236$9b4e6d93@newsspool1.arcor-online.net
On Sat, 28 Feb 2009 18:19:38 +0100, Georg Bauhaus wrote:
> Dmitry A. Kazakov wrote:
>
>> This only shows that you provided a wrong C++ example. The right one, i.e.
>> corresponding to the case I presented is
>>
>> class T
>> {
>> public:
>> virtual void op() = 0;
>> T (char constraint);
>> private:
>> char c;
>> };
>
> I don't understand. Your example read
>
> type T (<>) is abstract tagged limited private;
> private
> type T ( ... constraints ...) is ...
>
> So there is no way for a client to declare an object of type T,
> for one thing because there is no way to provide constraints.
> Consequenty, a corresponding C++ class T cannot have a public
> constructor (I thought).
You did wrong.
T is abstract. Its discriminants is an implementation detail to be hidden
in the private part of the package. Period.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2009-02-28 17:48 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-19 17:37 Language lawyer question: task activation Adam Beneschan
2009-02-19 17:57 ` Dmitry A. Kazakov
2009-02-19 23:57 ` Robert A Duff
2009-02-20 13:22 ` Dmitry A. Kazakov
2009-02-23 7:36 ` Jean-Pierre Rosen
2009-02-20 5:43 ` christoph.grein
2009-02-20 10:44 ` Dmitry A. Kazakov
2009-02-20 11:14 ` christoph.grein
2009-02-20 12:07 ` mockturtle
2009-02-20 13:22 ` Dmitry A. Kazakov
2009-02-20 16:45 ` Georg Bauhaus
2009-02-20 18:41 ` Dmitry A. Kazakov
2009-02-20 22:19 ` Georg Bauhaus
2009-02-21 8:31 ` Dmitry A. Kazakov
2009-02-27 23:29 ` Randy Brukardt
2009-02-28 8:13 ` Why constructing functions is a mess [was Language lawyer question: task activation (was: Language lawyer question: task activation)) Dmitry A. Kazakov
2009-02-28 12:20 ` Why constructing functions is a mess [was Language lawyer question: task activation Georg Bauhaus
2009-02-28 13:45 ` Dmitry A. Kazakov
2009-02-28 15:36 ` Georg Bauhaus
2009-02-28 16:22 ` Dmitry A. Kazakov
2009-02-28 17:19 ` Georg Bauhaus
2009-02-28 17:48 ` Dmitry A. Kazakov [this message]
2009-02-28 18:39 ` Georg Bauhaus
2009-02-28 20:17 ` Dmitry A. Kazakov
2009-03-02 16:13 ` Georg Bauhaus
2009-03-02 17:46 ` Dmitry A. Kazakov
2009-03-02 18:50 ` Georg Bauhaus
2009-03-02 21:02 ` Dmitry A. Kazakov
2009-03-03 7:04 ` christoph.grein
2009-03-03 8:45 ` Dmitry A. Kazakov
2009-03-03 9:27 ` christoph.grein
2009-03-03 9:34 ` Dmitry A. Kazakov
2009-03-03 19:13 ` Pascal Obry
2009-03-04 5:29 ` christoph.grein
2009-03-04 8:32 ` Dmitry A. Kazakov
2009-03-04 9:05 ` christoph.grein
2009-03-04 9:47 ` Dmitry A. Kazakov
2009-02-28 23:12 ` Maciej Sobczak
2009-03-01 8:23 ` Dmitry A. Kazakov
2009-02-19 23:54 ` Robert A Duff
2009-02-20 10:18 ` Robert_Matthews
2009-02-20 10:34 ` christoph.grein
2009-02-20 14:16 ` Robert A Duff
2009-02-20 16:57 ` Robert_Matthews
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