comp.lang.ada
 help / color / mirror / Atom feed
From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: "functional" programming in Ada
Date: Wed, 7 Mar 2018 14:53:22 +0100
Date: 2018-03-07T14:53:22+01:00	[thread overview]
Message-ID: <p7oqsh$rhg$1@gioia.aioe.org> (raw)
In-Reply-To: 1520428274.2488.155.camel@obry.net

On 07/03/2018 14:11, Pascal Obry wrote:
> Le mercredi 07 mars 2018 à 02:52 -0800, Mehdi Saada a écrit :
>> Why not writing everything in the specs then ? Maybe the original
>> separation of specs and bodies is a mistake, in the light of recent
>> tools requirements.
> 
> The spec is what is exposed to other units.
> 
> The body is implementation details.

Specification can be an implementation detail for some clients. That is 
why Ada has public and private parts.

> The separation is to me one of the most important point in Ada. I think
> that all languages should have done that. It is an welcomed separation
> for software engineer.

Yes. The principle is reducing coupling. Therefore anything the client 
does not need should be hidden from it. A related principle is having 
weakest possible preconditions. All things a client can see become 
precondition and thus strengthen it.

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

  reply	other threads:[~2018-03-07 13:53 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-06 11:34 "functional" programming in Ada Alejandro R. Mosteo
2018-03-06 13:09 ` Dmitry A. Kazakov
2018-03-06 14:35   ` Alejandro R. Mosteo
2018-03-06 15:08     ` Dmitry A. Kazakov
2018-03-06 16:00       ` Manuel Collado
2018-03-06 16:37         ` Dmitry A. Kazakov
2018-03-06 22:16           ` Manuel Collado
2018-03-07  8:41             ` Dmitry A. Kazakov
2018-03-07  4:46         ` Paul Rubin
2018-03-06 13:29 ` Mehdi Saada
2018-03-06 14:34   ` Alejandro R. Mosteo
2018-03-06 14:36     ` Mehdi Saada
2018-03-06 15:27       ` Alejandro R. Mosteo
2018-03-06 16:26       ` Jeffrey R. Carter
2018-03-06 20:17       ` Randy Brukardt
2018-03-07 14:30         ` Alejandro R. Mosteo
2018-03-06 15:01 ` Dan'l Miller
2018-03-06 15:25   ` Alejandro R. Mosteo
2018-03-07 10:07 ` Maciej Sobczak
2018-03-07 10:52   ` Mehdi Saada
2018-03-07 13:11     ` Pascal Obry
2018-03-07 13:53       ` Dmitry A. Kazakov [this message]
2018-03-07 16:13       ` Dan'l Miller
2018-03-12  0:13         ` Robert I. Eachus
2018-03-08  3:34       ` Randy Brukardt
2018-03-08  8:23         ` Dmitry A. Kazakov
2018-03-08 22:49           ` G. B.
2018-03-09  8:38             ` Dmitry A. Kazakov
2018-03-09  8:40           ` Simon Wright
2018-03-09 13:39             ` Dmitry A. Kazakov
2018-03-07 15:03   ` Alejandro R. Mosteo
2018-03-07 15:16     ` Alejandro R. Mosteo
2018-03-07 20:34     ` Robert A Duff
2018-03-07 22:47     ` Jeffrey R. Carter
2018-03-08  0:26     ` Shark8
2018-03-08  0:45     ` Paul Rubin
2018-03-08 11:07       ` Alejandro R. Mosteo
2018-03-08 18:24 ` G. B.
2018-03-09 14:41   ` Alejandro R. Mosteo
replies disabled

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox