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From: "(see below)" <yaldnif.w@blueyonder.co.uk>
Subject: Re: Initialization and Finalization of limited object "returned" by a function
Date: Fri, 12 Feb 2010 19:10:02 +0000
Date: 2010-02-12T19:10:02+00:00	[thread overview]
Message-ID: <C79B580A.136123%yaldnif.w@blueyonder.co.uk> (raw)
In-Reply-To: 9c2b5c56-7abf-4523-844d-b48447587402@w27g2000pre.googlegroups.com

On 12/02/2010 16:57, in article
9c2b5c56-7abf-4523-844d-b48447587402@w27g2000pre.googlegroups.com, "Adam
Beneschan" <adam@irvine.com> wrote:

> I also remember some of the attempted rationalizations at the time; in
> particular, why did Ada use parentheses for both subprogram calls and
> array indexing, when other popular languages (Pascal and C) used
> square brackets for indexing.  Someone came up with an argument that
> it was actually a good thing to use the same characters for both,
> because then if your program uses Arr(Index), where Arr is an array,
> you could redesign your program to make "Arr" a function and the
> change would be transparent.  That seemed like a stretch at the time.

Douglas T. Ross, the author of AED-0, was keen on the idea of "uniform
referent" notation, i.e., using the form F(X) for a function call, an array
element, or the field F of record X (as in Algol W).

I think it had some merit, although much diminished by the invention of
opaque/private types.

-- 
Bill Findlay
<surname><forename> chez blueyonder.co.uk





  parent reply	other threads:[~2010-02-12 19:10 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-11  4:37 Initialization and Finalization of limited object "returned" by a function Hibou57 (Yannick Duchêne)
2010-02-11  9:51 ` Hibou57 (Yannick Duchêne)
2010-02-11 11:00 ` Ludovic Brenta
2010-02-11 11:33   ` Jean-Pierre Rosen
2010-02-11 23:15   ` Hibou57 (Yannick Duchêne)
2010-02-11 23:24     ` Robert A Duff
2010-02-12  5:41       ` Hibou57 (Yannick Duchêne)
2010-02-12 15:15         ` Robert A Duff
2010-02-12 16:27           ` Jean-Pierre Rosen
2010-02-12 17:53             ` Jacob Sparre Andersen
2010-02-12 18:05               ` Adam Beneschan
2010-02-13  1:59             ` Randy Brukardt
2010-02-12 16:57           ` Adam Beneschan
2010-02-12 18:07             ` mockturtle
2010-02-12 18:29               ` Hibou57 (Yannick Duchêne)
2010-02-12 19:09             ` Robert A Duff
2010-02-13  2:00               ` Randy Brukardt
2010-02-13  2:51                 ` Hibou57 (Yannick Duchêne)
2010-02-13 15:59                   ` Robert A Duff
2010-02-13 19:34                     ` Hibou57 (Yannick Duchêne)
2010-02-13 19:45                       ` Robert A Duff
2010-02-12 19:10             ` (see below) [this message]
2010-02-13  9:54           ` Dmitry A. Kazakov
2010-02-13 15:52             ` (see below)
2010-02-14 10:23               ` Dmitry A. Kazakov
2010-02-13 15:53             ` Robert A Duff
2010-02-14 10:59               ` Dmitry A. Kazakov
2010-02-14 22:00                 ` Hibou57 (Yannick Duchêne)
2010-02-11 15:16 ` Robert A Duff
2010-02-11 17:40   ` Adam Beneschan
2010-02-11 19:10     ` Robert A Duff
2010-02-11 21:51       ` Adam Beneschan
2010-02-11 22:49         ` Hibou57 (Yannick Duchêne)
2010-02-11 22:53           ` Hibou57 (Yannick Duchêne)
2010-02-11 23:08             ` Robert A Duff
2010-02-11 23:18               ` Hibou57 (Yannick Duchêne)
2010-02-12  0:48               ` Randy Brukardt
2010-02-12  5:37               ` Hibou57 (Yannick Duchêne)
2010-02-13  1:54                 ` Randy Brukardt
2010-02-12  5:39               ` Hibou57 (Yannick Duchêne)
2010-02-12 15:10                 ` Robert A Duff
2010-02-12 17:15                   ` (Hibou57) Yannick Duchêne
2010-02-12 19:07                     ` Robert A Duff
2010-02-12  1:05           ` Adam Beneschan
2010-02-12  2:35             ` Hibou57 (Yannick Duchêne)
2010-02-12  2:36               ` Hibou57 (Yannick Duchêne)
2010-02-12  2:36               ` Hibou57 (Yannick Duchêne)
2010-02-12  2:36               ` Hibou57 (Yannick Duchêne)
2010-02-12  2:37               ` Hibou57 (Yannick Duchêne)
2010-02-12  2:37               ` Hibou57 (Yannick Duchêne)
2010-02-12  2:37               ` Hibou57 (Yannick Duchêne)
2010-02-12  4:27                 ` Hibou57 (Yannick Duchêne)
2010-02-12  4:28                   ` Hibou57 (Yannick Duchêne)
2010-02-11 22:53         ` Robert A Duff
2010-02-11 23:41           ` Adam Beneschan
2010-02-12  0:22             ` Robert A Duff
2010-02-12  5:25         ` Hibou57 (Yannick Duchêne)
2010-02-12  9:27         ` Alex R. Mosteo
2010-02-12 16:43           ` Adam Beneschan
2010-02-12 19:11             ` Robert A Duff
2010-02-12  0:44     ` Randy Brukardt
2010-02-12  4:47     ` Hibou57 (Yannick Duchêne)
2010-02-12 18:02       ` Adam Beneschan
2010-02-12  4:49     ` Hibou57 (Yannick Duchêne)
2010-02-12  4:40   ` Hibou57 (Yannick Duchêne)
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