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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Gem 39 - compiler specific?
Date: Fri, 4 Sep 2009 15:06:12 +0200
Date: 2009-09-04T15:06:12+02:00	[thread overview]
Message-ID: <1pi1b5q7qu0q5.sgsbxppd55q7$.dlg@40tude.net> (raw)
In-Reply-To: dded24f9-f083-4fcc-b0f9-a76554055fca@37g2000yqm.googlegroups.com

On Fri, 4 Sep 2009 05:07:47 -0700 (PDT), Maciej Sobczak wrote:

> On 4 Wrz, 09:29, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
> wrote:
> 
>> Do we need that semantics (reinterpret bit pattern as another type)? It is
>> difficult to invent a case where an access value would be obtained from a
>> bit patterns. It is never needed, IMO.
> 
> Hint: interfacing with other languages (notably C and C++) with
> libraries that have some callback or object map functionality.

You mean void *? That is Address (or some access type), not a bit pattern.

In short, you never needed Unchecked_Conversion that would behave
differently from Address_To_Access_Conversions does.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de



  reply	other threads:[~2009-09-04 13:06 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-02 20:38 Gem 39 - compiler specific? Maciej Sobczak
2009-09-02 23:20 ` Randy Brukardt
2009-09-03  7:26   ` Dmitry A. Kazakov
2009-09-03 15:26     ` Adam Beneschan
2009-09-03 16:38       ` Dmitry A. Kazakov
2009-09-03 17:27         ` Adam Beneschan
2009-09-03 20:26           ` Dmitry A. Kazakov
2009-09-03 22:06             ` Randy Brukardt
2009-09-04  7:29               ` Dmitry A. Kazakov
2009-09-04 12:07                 ` Maciej Sobczak
2009-09-04 13:06                   ` Dmitry A. Kazakov [this message]
2009-09-04 17:18                     ` Dmitry A. Kazakov
2009-09-04 20:34                     ` Maciej Sobczak
2009-09-04 22:41                   ` sjw
2009-09-05 20:45                     ` Maciej Sobczak
2009-09-06  6:54                       ` sjw
2009-09-03 21:58           ` Randy Brukardt
2009-09-04 17:26           ` Robert A Duff
2009-09-03 21:53     ` Randy Brukardt
2009-09-03  0:12 ` Adam Beneschan
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