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From: "Jacques Carette" <carette@mcmaster.ca>
To: skaller@users.sourceforge.net, Andrej Bauer <Andrej.Bauer@andrej.com>
Cc: caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] environment idiom
Date: Sat, 11 Dec 2004 19:21:04 -0500	[thread overview]
Message-ID: <web-75975271@cgpsrv2.cis.mcmaster.ca> (raw)
In-Reply-To: <1102807759.2611.609.camel@pelican.wigram>

skaller <skaller@users.sourceforge.net> wrote:
> The principle is quite general, exceeding not only C++/Ocaml,
> but applying way beyond programming.  I actually learned
> this idea, that one should think about how a code base
> will cope with change, in a superb book on Cobol programming.

This idea is indeed quite old.  It is generally credited to David Parnas -- see http://www.acm.org/classics/may96/ 
which refers to
On the Criteria To Be Used in Decomposing Systems into Modules
D.L. Parnas, Communications of the ACM, Vol. 15, No. 12, December 1972 pp. 1053 - 1058

It is the paper that introduces "information hiding" (not to be confused with the much more restricted idea of 'data 
hiding' common to OO languages) as well as the design-for-change principle.

Sadly, the OO craze has so warped the idea of "information hiding" amongst practitioners that few actually understand 
how groundbreaking this sweeping idea really was, and still is.
  
Jacques


      reply	other threads:[~2004-12-12  0:21 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-09  2:07 HENRIKSON, JEFFREY
2004-12-09  4:47 ` [Caml-list] " Jacques Garrigue
2004-12-09  6:02   ` Michael Walter
2004-12-09 11:28     ` Jacques Garrigue
2004-12-09 20:02     ` pad
2004-12-09 23:11       ` Jacques Garrigue
2004-12-10  2:30         ` skaller
2004-12-09  9:09 ` Richard Jones
2004-12-09 13:12   ` [Caml-list] " Ville-Pertti Keinonen
2004-12-10 11:59     ` Richard Jones
2004-12-10 10:52 ` [Caml-list] " Andrej Bauer
2004-12-10 12:13   ` Richard Jones
2004-12-10 23:35     ` Jacques Garrigue
2004-12-11  2:30   ` skaller
2004-12-11 14:31     ` Andrej Bauer
2004-12-11 18:13       ` Markus Mottl
2004-12-11 23:56         ` skaller
2004-12-12  2:36           ` William Lovas
2004-12-12  5:33             ` skaller
2004-12-12 19:09               ` Michael Walter
2004-12-13  0:48                 ` skaller
2004-12-13  2:03                   ` Michael Walter
2004-12-13  2:05                     ` Michael Walter
     [not found]                       ` <877e9a170412121844b633bb8@mail.gmail.com>
2004-12-13  2:45                         ` Michael Walter
2004-12-13  6:18                           ` skaller
2004-12-13  7:08                             ` skaller
2004-12-13  9:56                             ` Michael Walter
2004-12-13 12:59                               ` skaller
2004-12-13  8:56                           ` Thomas Fischbacher
2004-12-13  9:21                             ` Jacques Garrigue
2004-12-13 10:05                               ` Michael Walter
2004-12-13 10:29                                 ` Thomas Fischbacher
2004-12-13 21:16                                   ` Michael Walter
2004-12-13 10:20                               ` Thomas Fischbacher
2004-12-13 12:09                                 ` Jacques Garrigue
2004-12-13 12:48                                   ` Thomas Fischbacher
2004-12-13 14:09                                   ` skaller
2004-12-13 21:39                                     ` Michael Walter
2004-12-13 13:22                                 ` skaller
2004-12-13 16:54                                   ` Marcin 'Qrczak' Kowalczyk
2004-12-13 18:44                                   ` Thomas Fischbacher
2004-12-13 10:11                             ` Michael Walter
2004-12-13 11:46                             ` skaller
2004-12-13  5:41                     ` skaller
2004-12-13  9:29                       ` Michael Walter
2004-12-13 12:30                         ` skaller
2004-12-13 13:49                           ` Martin Berger
2004-12-12 23:03           ` Thomas Fischbacher
2004-12-13  1:26             ` skaller
2004-12-13  8:37               ` Thomas Fischbacher
2004-12-13 10:53                 ` skaller
2004-12-13 11:38                   ` Martin Berger
2004-12-13 13:33                     ` skaller
2004-12-13 12:01                   ` Thomas Fischbacher
2004-12-13 13:41                     ` skaller
2004-12-11 23:29       ` skaller
2004-12-12  0:21         ` Jacques Carette [this message]

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