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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Ada OOP alternatives?
Date: Fri, 25 Jul 2008 19:55:46 +0200
Date: 2008-07-25T19:55:50+02:00	[thread overview]
Message-ID: <1xe1es04w7yvl$.5jjlwpcg4ui3$.dlg@40tude.net> (raw)
In-Reply-To: 4889fe3a$0$18828$9b4e6d93@newsspool2.arcor-online.net

On Fri, 25 Jul 2008 18:24:26 +0200, Georg Bauhaus wrote:

> Dmitry A. Kazakov schrieb:

>> So, yes, an ADT, even if it is a singleton today.
> 
> For what?  I think that language theorists have ways to
> associate a synthetic OO type with a singleton package
> without loss.

Sure. But the argument is to the code design. I used to have stateful
packages, it *always* ended quite painfully.

>>  Only objects should have states.
> 
> Yes, only objects can have states. I am assuming you mean that every
> variable object of a scope other than the scope of an innermost
> subprogram is evilly global?

Yes, if mutable.

> I see you disagree with state variables hidden in singleton package
> bodies.

Yep, I don't buy "package = class/object," a totally bogus idea. I am very
glad that Ada 95 didn't go that way.

> The weekend is near, I'll go for a walk if you don't mind.

The summer seems to be arrived. I have thought it will never come...

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



  reply	other threads:[~2008-07-25 17:55 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-15 20:38 Ada OOP alternatives? raould
2008-07-16  0:15 ` Robert A Duff
2008-07-16  6:33   ` Georg Bauhaus
2008-07-16  9:54     ` Alex R. Mosteo
2008-07-16 13:03       ` Dmitry A. Kazakov
2008-07-16 14:07       ` Robert A Duff
2008-07-16 18:11         ` (see below)
2008-07-17  0:05           ` Robert A Duff
2008-07-17  0:43             ` (see below)
2008-07-17  1:36               ` Robert A Duff
2008-07-17 11:07                 ` (see below)
2008-07-17 16:45                   ` Robert A Duff
2008-07-17 12:00                 ` Dmitry A. Kazakov
2008-07-17 16:50                   ` Robert A Duff
2008-07-17 18:56                     ` Dmitry A. Kazakov
2008-07-18 12:54                       ` Robert A Duff
2008-07-18 13:36                         ` Dmitry A. Kazakov
2008-07-17 23:27                 ` Randy Brukardt
2008-07-18 12:45                   ` Robert A Duff
2008-07-18 23:22                     ` Randy Brukardt
2008-07-22 20:32                 ` Adam Beneschan
2008-07-22 22:18                   ` Ludovic Brenta
2008-07-23  9:25                     ` Alex R. Mosteo
2008-07-22 23:35                   ` Randy Brukardt
2008-07-23  7:56                   ` Dmitry A. Kazakov
2008-07-23 21:04                     ` Robert A Duff
2008-07-24  7:07                       ` stefan-lucks
     [not found]                       ` <5ob7w7usrc74$.kms2e1vqs4k0.dlg@40tude.net>
     [not found]                         ` <48883529$0$18826$9b4e6d93@newsspool2.arcor-online.net>
     [not found]                           ` <ygdmhl22lzh4$.1dx98hja6p2o6.dlg@40tude.net>
     [not found]                             ` <48883f41$0$18829$9b4e6d93@newsspool2.arcor-online.net>
     [not found]                               ` <6i1s0y8eeka.121ek9qcgunha$.dlg@40tude.net>
     [not found]                                 ` <48885757$0$18818$9b4e6d93@newsspool2.arcor-online.net>
2008-07-24 12:48                                   ` Dmitry A. Kazakov
2008-07-25  8:47                                     ` Georg Bauhaus
2008-07-25 13:28                                       ` Dmitry A. Kazakov
2008-07-25 16:24                                         ` Georg Bauhaus
2008-07-25 17:55                                           ` Dmitry A. Kazakov [this message]
2008-07-26  5:05                   ` Jeff Koftinoff
2008-07-16 14:03     ` Robert A Duff
2008-07-16 14:29       ` Dmitry A. Kazakov
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