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From: Brian Rogoff <bpr@shell5.ba.best.com>
Subject: Re: Wanted: Ada STL.  Reward: Ada's Future
Date: 1999/02/05
Date: 1999-02-05T00:00:00+00:00	[thread overview]
Message-ID: <Pine.BSF.4.05.9902051008460.3807-100000@shell5.ba.best.com> (raw)
In-Reply-To: m3u2x0zr5u.fsf@mheaney.ni.net

On Fri, 5 Feb 1999, Matthew Heaney wrote:

> Brian Rogoff <bpr@shell5.ba.best.com> writes:
> 
> > What troubles me about this discussion is the notion that anything that is 
> > done in C++ is anathema to Ada. There is a C++ Booch Component Library, so 
> > therefore the Booch Components are the wrong model for any Ada library. 
> 
> I think this is a misreading of what has been said.
> 
> The point is that idioms naturally expressible one language aren't easily
> expressible the other.

Since I've frequently acknowledged that a literal translation of STL is
not possible, and asked for specific reasons why an STL like library
(please take the time to read the *like*) is somehow a "bad" idea in Ada, 
I can only guess that you haven't read anything I've written, or examined 
any of the C++ STL implementations, or the Ada implementations, which are 
fairly different.

John English thinks that the nicest thing about the STL is the way that it 
works with C++ native arrays and pointers, so I see why he may think an 
Ada library in this style won't be nice, and I completely disagree, since
I think the STL is nice even when just dealing with STL containers.

> For example, here's a quote from Robert Dewar about a French expression:

Instead of this example, how about a real example from AGL or SGL or your
own library showing why the STL approach is so bad in Ada. Quotes from
Robert Dewar about French and English are just not convincing to me. I am 
aware of Ada's deficiencies vis-a-vis C++, and I still like the STL
approach.

> So be careful about literal translations of C++ to Ada95.

Setting up the strawman of "literal translation", and knocking it down.

Once again, there is a large chunk of available code for you to critique, 
use it for examples. I have no doubt you can find flaws, and if you help 
me or the RPI guys to get a better Ada library, even if you don't like it, 
we all win.

-- Brian






  reply	other threads:[~1999-02-05  0:00 UTC|newest]

Thread overview: 102+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-01-31  0:00 Wanted: Ada STL. Reward: Ada's Future Alexy V Khrabrov
1999-01-31  0:00 ` Simon Wright
1999-02-01  0:00 ` Jeff Carter
1999-02-08  0:00   ` Michael F Brenner
1999-02-01  0:00 ` Jerry van Dijk
1999-02-01  0:00   ` Marin David Condic
1999-02-01  0:00 ` dennison
1999-02-01  0:00 ` Stanley R. Allen
1999-02-01  0:00 ` Matthew Heaney
1999-02-01  0:00   ` Alexy V Khrabrov
1999-02-01  0:00     ` Matthew Heaney
1999-02-01  0:00       ` Jeff Carter
1999-02-01  0:00 ` Brian Rogoff
1999-02-01  0:00   ` Ehud Lamm
1999-02-02  0:00     ` Richard D Riehle
1999-02-03  0:00       ` robert_dewar
1999-02-02  0:00     ` Brian Rogoff
1999-02-02  0:00       ` robert_dewar
1999-02-04  0:00         ` Ehud Lamm
1999-02-03  0:00       ` John English
1999-02-03  0:00         ` Matthew Heaney
1999-02-03  0:00           ` Brian Rogoff
1999-02-04  0:00             ` Stephen Leake
1999-02-04  0:00               ` Brian Rogoff
1999-02-05  0:00                 ` Stephen Leake
1999-02-05  0:00                   ` Brian Rogoff
1999-02-04  0:00               ` Matthew Heaney
1999-02-04  0:00               ` Hyman Rosen
1999-02-05  0:00                 ` Stephen Leake
1999-02-05  0:00                   ` Hyman Rosen
1999-02-05  0:00               ` John English
1999-02-05  0:00                 ` Tucker Taft
1999-02-05  0:00                   ` Richard D Riehle
1999-02-05  0:00                   ` Brian Rogoff
1999-02-05  0:00                 ` Brian Rogoff
1999-02-06  0:00                   ` Matthew Heaney
1999-02-05  0:00           ` John English
1999-02-05  0:00           ` Nick Roberts
1999-02-04  0:00         ` Ehud Lamm
1999-02-04  0:00           ` Brian Rogoff
1999-02-05  0:00             ` Matthew Heaney
1999-02-05  0:00               ` Brian Rogoff [this message]
1999-02-08  0:00                 ` John English
1999-02-04  0:00           ` Al Christians
1999-02-04  0:00           ` Pat Rogers
1999-02-04  0:00             ` Larry Kilgallen
1999-02-04  0:00               ` Pat Rogers
1999-02-04  0:00                 ` Larry Kilgallen
1999-02-05  0:00                   ` robert_dewar
1999-02-05  0:00                     ` Larry Kilgallen
1999-02-05  0:00                     ` Tom Moran
1999-02-05  0:00                       ` dewar
1999-02-05  0:00                         ` Tom Moran
1999-02-05  0:00                           ` dewar
1999-02-05  0:00                             ` dennison
1999-02-06  0:00                               ` dewar
1999-02-08  0:00                                 ` dennison
1999-02-08  0:00                                   ` robert_dewar
1999-02-08  0:00                                     ` dennison
1999-02-09  0:00                                       ` robert_dewar
1999-02-09  0:00                                         ` dennison
1999-02-09  0:00                                     ` Nick Roberts
1999-02-07  0:00                               ` Simon Wright
1999-02-08  0:00                               ` Corey Minyard
1999-02-08  0:00                                 ` Open Source Licensing (was: Wanted: Ada STL. Reward: Ada's Future) dennison
1999-02-08  0:00                                   ` Corey Minyard
1999-02-09  0:00                                     ` dennison
1999-02-09  0:00                                       ` Corey Minyard
1999-02-09  0:00                                     ` robert_dewar
1999-02-09  0:00                                       ` Corey Minyard
1999-02-09  0:00                                 ` Wanted: Ada STL. Reward: Ada's Future robert_dewar
1999-02-09  0:00                                   ` dennison
1999-02-10  0:00                                     ` robert_dewar
1999-02-07  0:00                           ` Simon Wright
     [not found]                     ` <36ba730b.35540068@ <79fmg1$fn0$1@nnrp1.dejanews.com>
1999-02-06  0:00                       ` Larry Kilgallen
1999-02-05  0:00                 ` robert_dewar
1999-02-05  0:00               ` robert_dewar
1999-02-05  0:00                 ` Larry Kilgallen
1999-02-05  0:00                   ` robert_dewar
     [not found]                     ` <79f24e$t14 <36BB4162.52FC6D9F@averstar.com>
1999-02-05  0:00                       ` robert_dewar
1999-02-05  0:00                       ` dennison
1999-02-05  0:00                     ` Tucker Taft
1999-02-05  0:00                     ` dennison
1999-02-05  0:00                       ` robert_dewar
1999-02-05  0:00                         ` dennison
1999-02-06  0:00                       ` Nick Roberts
1999-02-05  0:00           ` John English
1999-02-09  0:00             ` micro_ada
1999-02-05  0:00         ` Nick Roberts
1999-02-08  0:00           ` John English
1999-02-02  0:00     ` Pointer Arithmetic (was: Wanted: Ada STL....) adam
1999-02-02  0:00       ` William Clodius
1999-02-03  0:00         ` adam
1999-02-03  0:00           ` robert_dewar
1999-02-03  0:00             ` Jean-Pierre Rosen
1999-02-03  0:00           ` William Clodius
1999-02-03  0:00           ` Nick Roberts
1999-02-03  0:00       ` Nick Roberts
1999-02-03  0:00         ` robert_dewar
1999-02-03  0:00           ` Robert A Duff
1999-02-03  0:00       ` robert_dewar
1999-02-05  0:00 ` Wanted: Ada STL. Reward: Ada's Future Corey Minyard
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