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From: Georg Bauhaus <see.reply.to@maps.futureapps.de>
Subject: Re: for S'Image use Func??
Date: Fri, 07 May 2010 20:44:29 +0100
Date: 2010-05-07T22:44:33+02:00	[thread overview]
Message-ID: <4be47bb1$0$6874$9b4e6d93@newsspool2.arcor-online.net> (raw)
In-Reply-To: <wcc7hnfiibz.fsf@shell01.TheWorld.com>

Robert A Duff wrote:
> Simon Wright <simon@pushface.org> writes:
> 
>> Sometimes the 'Image way is useful even in that sort of context:
>>    Duration'Image (Finish_Time - Start_Time)
>> avoids the need for a local variable which 'Img would require.
> 
> By the way, I think this:
> 
>     Put_Line (Duration'(Finish_Time - Start_Time)'Img);
> 
> will be legal in Ada 2012.  Well, the 'Img is still a
> GNAT-specific thing, but I'm talking about the ability to
> use a qualified expression as the prefix of an attribute.
> 
> Now why isn't this:
> 
>     Put_Line ((Finish_Time - Start_Time)'Img);
> 
> legal?  I don't know, but the language is moving in
> that direction -- maybe by 2099,  the syntactic distinction between
> expression and name (and the semantic distinction between
> value and object) will disappear entirely.

This move towards expressions is not one of SPARK?
Lifting expressions into the rank of named entities
will inevitably give way to the temptation of not saying
(naming) what you mean. (Like anonymous access is reportedly
doing already in all sorts of places, giving rise
to another naming lasso, 'Ref IIRC.)

If this move favors placing the semantically first part of an
expression last, at the end, in the "by the way" position,
will Ada at last become a writer's favorite?

  - ((71)'Val & 'e' & TLD (3221233671))'Img



  reply	other threads:[~2010-05-07 19:44 UTC|newest]

Thread overview: 154+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-06 17:10 for S'Image use Func?? Warren
2010-05-06 17:23 ` Dmitry A. Kazakov
2010-05-06 20:05   ` Warren
2010-05-06 17:58 ` Adam Beneschan
2010-05-06 19:52   ` Warren
2010-05-07  8:12     ` stefan-lucks
2010-05-08  5:26       ` Stephen Leake
2010-05-10 15:16       ` Charmed Snark
2010-05-07  2:10   ` Randy Brukardt
2010-05-07 18:24     ` Keith Thompson
2010-05-06 18:14 ` Yannick Duchêne (Hibou57)
2010-05-06 20:04   ` Warren
2010-05-06 20:19     ` Robert A Duff
2010-05-06 20:56       ` Yannick Duchêne (Hibou57)
2010-05-06 21:11         ` Robert A Duff
2010-05-07  8:40           ` J-P. Rosen
2010-05-07 12:21             ` Robert A Duff
2010-05-07 13:37               ` Georg Bauhaus
2010-05-07 14:25                 ` Robert A Duff
2010-05-07 15:46                   ` Yannick Duchêne (Hibou57)
2010-05-07 17:38                     ` Dmitry A. Kazakov
2010-05-07 20:15                       ` Yannick Duchêne (Hibou57)
2010-05-07 20:28                         ` Jeffrey R. Carter
2010-05-07 21:16                           ` Randy Brukardt
2010-05-07 22:18                             ` Jeffrey R. Carter
2010-05-09  0:06                               ` Randy Brukardt
2010-05-09  0:31                                 ` Jeffrey R. Carter
2010-05-07 20:31                     ` Robert A Duff
2010-05-07 20:51                       ` Yannick Duchêne (Hibou57)
2010-05-07 21:07                         ` Robert A Duff
2010-05-07 21:25                       ` Randy Brukardt
2010-05-07 22:16                       ` Jeffrey R. Carter
2010-05-10 15:48                   ` Warren
2010-05-10 16:31                     ` Dmitry A. Kazakov
2010-05-10 16:52                       ` Warren
2010-05-10 17:55                         ` Dmitry A. Kazakov
2010-05-10 18:50                           ` Warren
2010-05-10 19:20                             ` Niklas Holsti
2010-05-10 20:16                               ` Warren
2010-05-10 20:38                                 ` Simon Wright
2010-05-10 20:52                                   ` Warren
2010-05-11 17:38                                     ` Jeffrey R. Carter
2010-05-11 18:19                                       ` Yannick Duchêne (Hibou57)
2010-05-11 20:36                                       ` Warren
2010-05-11  7:34                                 ` Niklas Holsti
2010-05-11  7:56                                   ` Yannick Duchêne (Hibou57)
2010-05-11 16:56                                     ` Warren
2010-05-13 18:53                                     ` Niklas Holsti
2010-05-11 16:49                                   ` Warren
2010-05-11  8:26                             ` Dmitry A. Kazakov
2010-05-11  9:49                               ` J-P. Rosen
2010-05-11 17:06                                 ` Warren
2010-05-12  5:00                                   ` J-P. Rosen
2010-05-12 14:39                                     ` Yannick Duchêne (Hibou57)
2010-05-12 16:52                                       ` Warren
2010-05-13 18:20                                     ` Niklas Holsti
2010-05-17 10:00                                       ` J-P. Rosen
2010-05-20  9:31                                         ` Niklas Holsti
2010-05-21  6:56                                           ` Niklas Holsti
2010-05-11 14:27                               ` Robert A Duff
2010-05-11 15:03                                 ` Dmitry A. Kazakov
2010-05-11 15:45                                   ` Yannick Duchêne (Hibou57)
2010-05-11 15:23                               ` Yannick Duchêne (Hibou57)
2010-05-11 16:59                                 ` Dmitry A. Kazakov
2010-05-11 17:05                               ` Warren
2010-05-11 17:54                                 ` Dmitry A. Kazakov
2010-05-11 20:50                                   ` Charmed Snark
2010-05-11 19:03                                 ` Yannick Duchêne (Hibou57)
2010-05-11 20:53                                   ` Warren
2010-05-10 20:56                           ` Maciej Sobczak
2010-05-10 20:24                             ` Georg Bauhaus
2010-05-11  7:42                               ` Maciej Sobczak
2010-05-10 21:30                             ` Ludovic Brenta
2010-05-11  8:35                               ` Dmitry A. Kazakov
2010-05-11 13:35                                 ` Maciej Sobczak
2010-05-11 14:24                                   ` Dmitry A. Kazakov
2010-05-11 20:18                                     ` Maciej Sobczak
2010-05-11 21:46                                       ` Dmitry A. Kazakov
2010-05-12 13:16                                         ` Maciej Sobczak
2010-05-12 14:33                                           ` Yannick Duchêne (Hibou57)
2010-05-12 15:58                                           ` Dmitry A. Kazakov
2010-05-12 22:14                                             ` Maciej Sobczak
2010-05-13  7:31                                               ` Dmitry A. Kazakov
2010-05-13 13:16                                                 ` Warren
2010-05-14 21:03                                                 ` Maciej Sobczak
2010-05-15  8:35                                                   ` Dmitry A. Kazakov
2010-05-15 20:50                                                     ` Maciej Sobczak
2010-05-16  7:48                                                       ` Dmitry A. Kazakov
2010-05-16 20:56                                                         ` Maciej Sobczak
2010-05-16 21:31                                                           ` Dmitry A. Kazakov
2010-05-11 15:56                                 ` Yannick Duchêne (Hibou57)
2010-05-11 17:15                                   ` Dmitry A. Kazakov
2010-05-11 18:48                                     ` Yannick Duchêne (Hibou57)
2010-05-10 22:24                             ` Yannick Duchêne (Hibou57)
2010-05-11  7:58                               ` Maciej Sobczak
2010-05-11 15:54                                 ` Yannick Duchêne (Hibou57)
2010-05-11 20:23                                   ` Maciej Sobczak
2010-05-10 22:39                             ` Yannick Duchêne (Hibou57)
2010-05-11 17:17                               ` Warren
2010-05-11 17:59                                 ` Dmitry A. Kazakov
2010-05-11 20:56                                   ` Warren
2010-05-11 22:06                                     ` Dmitry A. Kazakov
2010-05-12 13:27                                       ` Warren
2010-05-12 16:03                                         ` Dmitry A. Kazakov
2010-05-11 18:57                                 ` Yannick Duchêne (Hibou57)
2010-05-11 21:08                                   ` Warren
2010-05-11 19:56                               ` Gautier write-only
2010-05-12 13:33                                 ` Warren
2010-05-07 15:35                 ` Yannick Duchêne (Hibou57)
2010-05-07 20:33                   ` Robert A Duff
2010-05-07 21:27                     ` Randy Brukardt
2010-05-07 21:36                       ` Robert A Duff
2010-05-07 22:09                       ` Yannick Duchêne (Hibou57)
2010-05-09  0:17                         ` Randy Brukardt
2010-05-07 19:56               ` J-P. Rosen
2010-05-07 20:14                 ` Robert A Duff
2010-05-07 20:17                 ` Yannick Duchêne (Hibou57)
2010-05-07 20:41                   ` Robert A Duff
2010-05-06 21:20         ` Dmitry A. Kazakov
2010-05-10 15:26       ` Ada & gdb (was: for S'Image use Func??) Warren
2010-05-10 18:02         ` John B. Matthews
2010-05-10 19:52           ` Warren
2010-05-06 22:33     ` for S'Image use Func?? Jeffrey R. Carter
2010-05-06 23:22       ` Yannick Duchêne (Hibou57)
2010-05-07  2:17         ` Randy Brukardt
2010-05-07 12:27           ` Robert A Duff
2010-05-07 15:19             ` Yannick Duchêne (Hibou57)
2010-05-07 20:19               ` Robert A Duff
2010-05-07 21:11             ` Randy Brukardt
2010-05-10 16:05             ` Warren
2010-05-19  6:26               ` Randy Brukardt
2010-05-07 15:21           ` Yannick Duchêne (Hibou57)
2010-05-10 16:03       ` Warren
2010-05-06 18:50 ` Jeffrey R. Carter
2010-05-06 19:50   ` Warren
2010-05-06 20:22     ` Robert A Duff
2010-05-06 21:25       ` Dmitry A. Kazakov
2010-05-07  2:20         ` Randy Brukardt
2010-05-07  7:28           ` Dmitry A. Kazakov
2010-05-07 10:15         ` Stephen Leake
2010-05-07 15:07           ` Yannick Duchêne (Hibou57)
2010-05-08  5:38             ` Stephen Leake
2010-05-07 19:29           ` Simon Wright
2010-05-07 20:10             ` Robert A Duff
2010-05-07 19:44               ` Georg Bauhaus [this message]
2010-05-07 20:53                 ` Robert A Duff
2010-05-07 21:59               ` Simon Wright
2010-05-09  0:20                 ` Randy Brukardt
2010-05-07  8:53 ` Georg Bauhaus
2010-05-10 16:18   ` Warren
2010-05-10 17:54     ` Georg Bauhaus
2010-05-10 19:57       ` Warren
2010-05-10 19:09     ` Yannick Duchêne (Hibou57)
2010-05-10 20:01       ` Warren
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