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From: mojemj@unidhp.uni-c.dk (Mogens Jensen)
Subject: Why no exception hierarchy ?
Date: 23 Mar 1995 23:10:20 GMT
Date: 1995-03-23T23:10:20+00:00	[thread overview]
Message-ID: <3ksv4s$f9e@news.uni-c.dk> (raw)

Hi all,
I am, as many others, looking into Ada95. I am currently using C++, and 
am increasingly aware of some more or less serious flaws in the C++ 
language.
  One thing that puzzles me in Ada95 is that exceptions isn't 
hierarchical like in C++ and Delphi (and others, that I don't know of :) 
). This would also help in the Numeric_Error is_a Constraint_Error problem.

As OOP has been built into the language, class hierarchies/libraries will 
be built (or transferred from C++, maybe?); and these will probably throw 
exceptions.
  As far as I can see, a hierarchy of exceptions would help a lot in such 
a library.

What is the rationale for this (I couldn't find it in either the AARM or 
the Rationale).


Greetings from Jens Jakob Jensen, Denmark  (using my fathers account)



             reply	other threads:[~1995-03-23 23:10 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1995-03-23 23:10 Mogens Jensen [this message]
1995-03-24 11:19 ` Why no exception hierarchy ? Michel Gauthier
1995-03-24 21:52   ` Tucker Taft
1995-03-25  1:50   ` Kenneth Almquist
1995-03-25 12:40     ` David Weller
1995-03-27  5:47       ` Kenneth Almquist
1995-03-25 16:03     ` Larry Kilgallen, LJK Software
1995-03-27 19:23   ` Kenneth Almquist
1995-03-28 16:56     ` Larry Kilgallen, LJK Software
1995-03-29  0:00       ` Kevin F. Quinn
1995-03-30  0:00         ` Kevin F. Quinn
1995-03-31  0:00       ` Kenneth Almquist
1995-04-04  0:00       ` Robert Dewar
1995-04-05  0:00         ` Michael Feldman
1995-04-05  0:00         ` Jean D. Ichbiah
1995-04-05  0:00           ` Garlington KE
1995-04-06  0:00             ` Versions of Ada (was Why no exception hierarchy ?) Larry Kilgallen
1995-04-07  0:00               ` Robert Dewar
1995-04-07  0:00               ` Garlington KE
1995-04-05  0:00           ` Why no exception hierarchy ? Robert A Duff
1995-04-05  0:00             ` Jean D. Ichbiah
1995-04-07  0:00               ` Robert Dewar
1995-04-06  0:00           ` Robert Dewar
1995-04-07  0:00             ` Garlington KE
1995-04-07  0:00             ` Jean D. Ichbiah
1995-04-07  0:00               ` Robert Dewar
1995-04-07  0:00             ` Norman H. Cohen
1995-04-06  0:00           ` Robert Dewar
1995-04-07  0:00             ` Jean D. Ichbiah
1995-04-07  0:00               ` Robert Dewar
1995-04-06  0:00           ` Robert Dewar
1995-04-07  0:00             ` Jean D. Ichbiah
     [not found]         ` <1995Apr4.210804.9579@eisner.decus.org>
1995-04-05  0:00           ` Ada means what version by default ? Kevin F. Quinn
1995-04-07  0:00             ` Robert Dewar
1995-04-05  0:00           ` Michael Feldman
1995-04-06  0:00             ` Larry Kilgallen
1995-04-07  0:00               ` Jean D. Ichbiah
1995-04-07  0:00               ` Robert Dewar
1995-04-05  0:00         ` Is "Ada" 95 or 83? (was: Re: Why no exception hierarchy ?) Theodore Dennison
1995-04-07  0:00           ` Robert Dewar
1995-04-07  0:00       ` Ada means what version by default ? Robert I. Eachus
1995-03-25 18:13 ` Why no exception hierarchy ? Robert Dewar
1995-03-28 18:15   ` Jean D. Ichbiah
1995-03-31  0:00   ` Mats Weber
1995-04-04  0:00     ` Robert Dewar
1995-04-06  0:00       ` Mats Weber
1995-04-07  0:00         ` Kenneth Almquist
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