From: Manuel Collado <m-collado@users.sourceforge.net>
Subject: Re: "functional" programming in Ada
Date: Tue, 6 Mar 2018 23:16:09 +0100
Date: 2018-03-06T23:16:09+01:00 [thread overview]
Message-ID: <p7n3v7$803$1@gioia.aioe.org> (raw)
In-Reply-To: p7mg52$13d6$1@gioia.aioe.org
El 06/03/2018 a las 17:37, Dmitry A. Kazakov escribió:
> On 06/03/2018 17:00, Manuel Collado wrote:
>>
>> Well, it may sound a bit heterodox, but IMHO functional programming is
>> just a subset of imperative (= procedural) programming.
>>
>> - Functional programming = expressions
>> - Imperative programming = expressions + variables + procedural actions
>
> Imperative is in opposition to declarative. Another axis is stateless
> vs. stateful. Procedural is usually attributed to the method of
> decomposition: procedural vs. object vs. functional vs. data/event
> driven etc.
>
> Ada used to strictly separate imperative from declarative and took care
> about the states, especially about the correspondence between the
> program state and problem domain. Then Ada supported both procedural and
> object decomposition, even Ada 83 with its abstract data types.
Did I mentioned the word "declarative"?
Functional and declarative are different axis. Fans of functional
programming claim it is declarative "per se". Not me.
Expressions without side-effects are functional, and not necessarily
declarative. Prolog is declarative, and not functional.
Regards.
--
Manuel Collado - http://lml.ls.fi.upm.es/~mcollado
next prev parent reply other threads:[~2018-03-06 22:16 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 [this message]
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
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
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