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From: Robert A Duff <bobduff@world.std.com>
Subject: Re: Can't export object of private type
Date: 1999/03/05
Date: 1999-03-05T00:00:00+00:00	[thread overview]
Message-ID: <wcczp5s6joa.fsf@world.std.com> (raw)
In-Reply-To: 7bmgfd$2d3$3@plug.news.pipex.net

"Nick Roberts" <Nick.Roberts@dial.pipex.com> writes:

> Well, I've worked out why GNAT doesn't complain about the inclusion of:
> 
>    function Solo_T return Access_Class_T_Type is abstract;
> 
> It's perfectly legal Ada (q.v. RM95 3.9.3)!  (Surprise surprise :-)
> 
> However, the next question is: _why_ is it perfectly legal Ada?  It's (very
> nearly) gibberish.  At best, it simply announces that if we derive a type
> from Access_Class_T_Type, we might (if we fancy) be declaring a function
> which matches (and therefore overrides) the above.  It never enforces any
> kind of promise.  At worst, it's a confusing waste of space.  Weird.  Who
> wrote this funny language?  (Own up ;-)

The language isn't usually in the business of forbidding useless things.
Error-prone things, yes.

I think AARM-3.9.3(3.d) addresses the above.

- Bob
-- 
Change robert to bob to get my real email address.  Sorry.




  parent reply	other threads:[~1999-03-05  0:00 UTC|newest]

Thread overview: 128+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <F7JoCB.JxB@syd.csa.com.au>
1999-02-24  0:00 ` Can't export object of private type Don Harrison
1999-02-24  0:00   ` Tom Moran
1999-02-24  0:00   ` Samuel Mize
1999-02-24  0:00     ` Tucker Taft
1999-02-25  0:00     ` Don Harrison
1999-02-25  0:00       ` robert_dewar
1999-02-26  0:00         ` Don Harrison
1999-02-26  0:00           ` robert_dewar
1999-02-26  0:00             ` dennison
1999-02-26  0:00             ` bourguet
1999-02-26  0:00               ` Samuel T. Harris
1999-02-27  0:00                 ` Jean-Pierre Rosen
1999-02-27  0:00                 ` Simon Wright
1999-02-28  0:00               ` dewar
1999-03-01  0:00                 ` bourguet
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` robert_dewar
1999-03-03  0:00                 ` Don Harrison
1999-03-03  0:00                   ` robert_dewar
1999-03-01  0:00             ` Stephen Leake
1999-02-27  0:00         ` Brian Rogoff
1999-03-01  0:00           ` robert_dewar
1999-02-25  0:00       ` Samuel Mize
1999-02-26  0:00         ` Don Harrison
1999-02-27  0:00           ` Nick Roberts
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` Matthew Heaney
1999-03-01  0:00                 ` Nick Roberts
1999-03-01  0:00               ` Nick Roberts
1999-03-01  0:00                 ` Don Harrison
1999-03-02  0:00                   ` Matthew Heaney
1999-03-03  0:00                     ` Don Harrison
1999-03-03  0:00                       ` Samuel Mize
1999-03-04  0:00                         ` Don Harrison
1999-03-07  0:00                     ` Ehud Lamm
1999-03-03  0:00               ` Robert A Duff
1999-03-04  0:00                 ` Don Harrison
1999-03-04  0:00                   ` Robert A Duff
1999-03-01  0:00             ` Don Harrison
1999-03-02  0:00               ` Matthew Heaney
1999-02-28  0:00         ` Matthew Heaney
1999-03-01  0:00           ` Nick Roberts
1999-03-01  0:00             ` Matthew Heaney
1999-03-02  0:00               ` Nick Roberts
1999-03-01  0:00             ` Matthew Heaney
1999-03-01  0:00           ` Samuel Mize
1999-02-25  0:00       ` fraser
1999-02-26  0:00         ` Don Harrison
1999-02-26  0:00           ` Samuel Mize
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` Matthew Heaney
1999-03-02  0:00               ` fraser
1999-03-03  0:00                 ` Don Harrison
1999-02-26  0:00           ` fraser
1999-03-01  0:00             ` Don Harrison
1999-03-01  0:00               ` Matthew Heaney
     [not found]           ` <7b6nqe$75m$1@remarq.com>
1999-02-26  0:00             ` fraser
1999-02-27  0:00               ` Nick Roberts
1999-02-28  0:00           ` Matthew Heaney
1999-02-28  0:00         ` Matthew Heaney
1999-02-28  0:00       ` Matthew Heaney
1999-03-01  0:00       ` Tom Moran
1999-03-02  0:00         ` Matthew Heaney
1999-03-02  0:00           ` Tom Moran
1999-03-02  0:00             ` Matthew Heaney
1999-03-02  0:00               ` Tom Moran
1999-03-02  0:00                 ` Matthew Heaney
1999-03-02  0:00                   ` nabbasi
1999-03-02  0:00                     ` Matthew Heaney
1999-03-03  0:00                   ` Don Harrison
1999-03-03  0:00                     ` Single Extension; Polymorphic Arrays Nick Roberts
1999-03-03  0:00                       ` Nick Roberts
1999-03-08  0:00                         ` Matthew Heaney
1999-03-08  0:00                           ` Tucker Taft
     [not found]                             ` <m3ogm40wav.fsf@mheaney.ni.net>
1999-03-08  0:00                               ` Tucker Taft
1999-03-08  0:00                                 ` dennison
1999-03-09  0:00                                 ` Nick Roberts
1999-03-08  0:00                               ` Nick Roberts
1999-03-08  0:00                           ` Nick Roberts
1999-03-03  0:00               ` Can't export object of private type Don Harrison
1999-03-03  0:00                 ` Don Harrison
1999-03-03  0:00                   ` Nick Roberts
1999-03-04  0:00                     ` Don Harrison
1999-03-04  0:00                       ` fraser
1999-03-09  0:00                         ` Don Harrison
1999-03-04  0:00                       ` Nick Roberts
1999-03-08  0:00                         ` Matthew Heaney
1999-03-09  0:00                         ` Don Harrison
1999-03-09  0:00                           ` Matthew Heaney
1999-03-09  0:00                             ` Nick Roberts
1999-03-10  0:00                             ` Don Harrison
1999-03-10  0:00                               ` Matthew Heaney
1999-03-04  0:00                       ` Nick Roberts
1999-03-04  0:00                         ` robert_dewar
1999-03-05  0:00                           ` Nick Roberts
1999-03-05  0:00                         ` Robert A Duff [this message]
1999-03-05  0:00                           ` Abstract Subprograms of Untagged Types Nick Roberts
1999-03-05  0:00                             ` Tucker Taft
1999-03-05  0:00                               ` Nick Roberts
1999-03-06  0:00                               ` robert_dewar
1999-03-05  0:00                             ` robert_dewar
1999-03-08  0:00                     ` Can't export object of private type Matthew Heaney
1999-03-08  0:00                       ` Nick Roberts
1999-03-08  0:00                 ` Matthew Heaney
1999-03-10  0:00                   ` Don Harrison
1999-03-10  0:00                     ` Matthew Heaney
1999-03-10  0:00                       ` dennison
1999-03-10  0:00                         ` Robert A Duff
1999-03-10  0:00                           ` dennison
1999-03-11  0:00                             ` dennison
1999-03-10  0:00                           ` robert_dewar
1999-03-10  0:00                         ` robert_dewar
1999-03-10  0:00                           ` dennison
1999-03-10  0:00                             ` robert_dewar
1999-03-10  0:00                               ` dennison
1999-03-11  0:00                                 ` dennison
1999-03-11  0:00                                 ` bill
1999-03-11  0:00                                   ` Scott Ingram
1999-03-11  0:00                                     ` Larry Kilgallen
1999-03-11  0:00                                   ` dennison
1999-03-12  0:00                                   ` dewar
1999-03-11  0:00                                 ` robert_dewar
1999-03-11  0:00                                   ` Don Harrison
1999-03-12  0:00                                     ` robert_dewar
1999-03-11  0:00                           ` Don Harrison
1999-03-03  0:00           ` Don Harrison
1999-02-28  0:00     ` Matthew Heaney
1999-02-28  0:00   ` Matthew Heaney
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