From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Using Class wide types as factories, is this legit?
Date: Tue, 23 Sep 2014 09:23:32 +0200
Date: 2014-09-23T09:23:32+02:00 [thread overview]
Message-ID: <14aahny7n1xxq.12aqg1nr0sro0$.dlg@40tude.net> (raw)
In-Reply-To: 4b9c517f-9c78-44f5-bda1-8e7647f06851@googlegroups.com
On Mon, 22 Sep 2014 22:19:32 -0700 (PDT), David Botton wrote:
> I have a pattern I have used in the past to make Classwides act as factories for objects.
Why not to pass a factory object instead?
> This worked in versions of GNAT about a year and a half ago. Is this a
> compiler bug or bad Ada?
It is hard to say without seeing Initialize, Finalize and Adjust. I would
guess that Adjust is wrong, e.g. not making a deep copy of the things
killed in Finalize, which may lead to deallocating these twice in the first
variant of your code.
--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de
next prev parent reply other threads:[~2014-09-23 7:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-23 5:19 Using Class wide types as factories, is this legit? David Botton
2014-09-23 7:23 ` Dmitry A. Kazakov [this message]
2014-09-23 8:21 ` David Botton
2014-09-23 19:28 ` Dmitry A. Kazakov
2014-09-23 21:27 ` David Botton
2014-09-24 7:22 ` Dmitry A. Kazakov
2014-09-23 8:37 ` briot.emmanuel
2014-09-23 8:52 ` David Botton
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