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From: "Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr>
Subject: Re: Ada Enumerations
Date: 1997/12/06
Date: 1997-12-06T00:00:00+00:00	[thread overview]
Message-ID: <66c2rb$hdg$1@peuplier.wanadoo.fr> (raw)
In-Reply-To: dewar.881289148@merv


Robert Dewar said
>Matthew says
>
><<Good advice.  For low-level I/O, an enumeration type is often not what
you
>want anyway.  What's wrong with a good old fashioned integer type?
>>>
>
>For one thing, it provides operations like addition, which are probably
>meaningless nonsense.
>
Sure, but don't forget that you can forbid direct calls by redefining the
functions as abstract.

(Just taking the opportunity to remind people of that relatively unknown
feature)






  reply	other threads:[~1997-12-06  0:00 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1997-12-03  0:00 Ada Enumerations Jeffrey Harris
1997-12-03  0:00 ` James S. Rogers
1997-12-03  0:00   ` Robert Dewar
1997-12-03  0:00     ` Stanley R. Allen
1997-12-04  0:00       ` GNAT'Object_Size Mats Weber
1997-12-05  0:00         ` GNAT'Object_Size Mats Weber
1997-12-04  0:00       ` GNAT'Object_Size Mats Weber
1997-12-04  0:00       ` GNAT'Object_Size Mats Weber
1997-12-08  0:00         ` GNAT'Object_Size Mats Weber
1997-12-10  0:00           ` GNAT'Object_Size Robert Dewar
1997-12-04  0:00       ` Ada Enumerations Matthew Heaney
1997-12-04  0:00         ` Stanley R. Allen
1997-12-07  0:00           ` Keith Thompson
1997-12-07  0:00             ` Robert Dewar
1997-12-08  0:00               ` Keith Thompson
1997-12-07  0:00                 ` Matthew Heaney
1997-12-11  0:00                   ` John G. Volan
1997-12-07  0:00             ` Matthew Heaney
1997-12-04  0:00       ` GNAT'Object_Size Mats Weber
1997-12-04  0:00       ` Ada Enumerations Robert Dewar
1997-12-04  0:00         ` Stanley R. Allen
1997-12-18  0:00           ` Wes Groleau
1997-12-04  0:00       ` GNAT'Object_Size Mats Weber
1997-12-04  0:00 ` Ada Enumerations Stephen Leake
1997-12-04  0:00   ` Matthew Heaney
1997-12-04  0:00     ` Robert Dewar
1997-12-06  0:00       ` Jean-Pierre Rosen [this message]
1997-12-06  0:00         ` Making Predefined Operators Abstract Matthew Heaney
  -- strict thread matches above, loose matches on Subject: below --
1997-12-10  0:00 Ada enumerations Stanley R. Allen
1997-12-10  0:00 ` John M. Mills
1997-12-10  0:00 ` Robert Dewar
1997-12-11  0:00   ` Stanley R. Allen
1997-12-12  0:00     ` Robert Dewar
1997-12-11  0:00   ` Mats Weber
1997-12-11  0:00     ` Robert Dewar
1997-12-12  0:00       ` Mats Weber
1997-12-12  0:00         ` Robert Dewar
1997-12-12  0:00     ` Samuel T. Harris
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