From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Controlled types as interfaces
Date: Wed, 20 Aug 2014 15:38:59 +0200
Date: 2014-08-20T15:38:59+02:00 [thread overview]
Message-ID: <1xwb1tfalpvin$.1ck9odq42aikh.dlg@40tude.net> (raw)
In-Reply-To: lt25jf$m32$2@speranza.aioe.org
On Wed, 20 Aug 2014 15:50:58 +0300, Victor Porton wrote:
> Dmitry A. Kazakov wrote:
>
>>> A similar thing can be made with Root_Stream_Type making it derived from
>>> Root_Stream_Interface interface.
>>
>> Yes, of course. It was proposed multiple times, as I remember. But
>> rejected as "not backward compatible." Though the compatibility issue was
>> quite minor if any.
>
> We can make Root_Stream_Type a descendant of Root_Stream_Interface.
Yes that was exactly the proposal (and for the pool's root type as well).
> So old code can derive from Root_Stream_Type and this is backward
> compatible.
No. It was a different case. I don't remember the details. But the example
was quite marginal and wrong code anyway, as I remember.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2014-08-20 13:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-20 1:05 Controlled types as interfaces Victor Porton
2014-08-20 1:09 ` Victor Porton
2014-08-20 7:29 ` Dmitry A. Kazakov
2014-08-20 12:49 ` Victor Porton
2014-08-20 13:47 ` Dmitry A. Kazakov
2014-08-21 23:16 ` Randy Brukardt
2014-08-29 15:01 ` Robert A Duff
2014-08-29 23:54 ` Randy Brukardt
2014-08-20 12:50 ` Victor Porton
2014-08-20 13:38 ` Dmitry A. Kazakov [this message]
2014-08-20 13:56 ` Brad Moore
2014-08-21 22:48 ` Randy Brukardt
2014-08-20 1:41 ` Victor Porton
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