From: Brian Rogoff <bpr@shell5.ba.best.com>
Subject: Re: Elimination of "use" clauses
Date: 1999/07/19
Date: 1999-07-19T00:00:00+00:00 [thread overview]
Message-ID: <Pine.BSF.4.10.9907191951470.25136-100000@shell5.ba.best.com> (raw)
In-Reply-To: 7n0icj$1je@dfw-ixnews21.ix.netcom.com
On Tue, 20 Jul 1999, Richard D Riehle wrote:
> In article <dale-1807991510420001@192.168.0.2>,
> dale@cs.rmit.edu.au (Dale Stanbrough) wrote:
>
> >Export directives -could- do it (and it is not a bad idea at all),
> >but we shouldn't forget that Ada already has the ability to export
> >-just- the operators we want, and it's called using a private type
> >and only advertising the appropriate operations.
>
> I fully agree that the private type is underused for this purpose.
> However, you will need to declare the arithmetic and logical
> operators for a private type. This is the ideal place for using
> a nested Ops package to restrict the set of operators to exactly
> those you want available in your design.
If you don't mind making the client refuse to look at things he doesn't
want to see, rather than making the provider hide what he doesn't want to
show, generic signature packages could also be used in these situations.
I still really dislike "use type".
-- Brian
next prev parent reply other threads:[~1999-07-19 0:00 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-07-01 0:00 Elimination of "use" clauses Dr. Neil C. Audsley
1999-07-01 0:00 ` Joe Wisniewski
1999-07-01 0:00 ` Samuel T. Harris
1999-07-01 0:00 ` czgrr
1999-07-01 0:00 ` Ted Dennison
1999-07-02 0:00 ` czgrr
1999-07-02 0:00 ` Ted Dennison
1999-07-02 0:00 ` Robert Dewar
1999-07-02 0:00 ` Samuel T. Harris
1999-07-02 0:00 ` Robert Dewar
[not found] ` <7ltl2q$mog$1@nnrp1.deja.com>
1999-07-08 0:00 ` Michael F. Yoder
1999-07-09 0:00 ` Robert Dewar
1999-07-09 0:00 ` Dale Stanbrough
1999-07-12 0:00 ` Robert Dewar
1999-07-12 0:00 ` Ted Dennison
1999-07-09 0:00 ` Michael F. Yoder
1999-07-14 0:00 ` Tucker Taft
1999-07-10 0:00 ` Simon Wright
1999-07-12 0:00 ` Robert Dewar
1999-07-09 0:00 ` Richard D Riehle
1999-07-09 0:00 ` Marin David Condic
1999-07-09 0:00 ` Michael F. Yoder
1999-07-08 0:00 ` R. Tim Coslet
1999-07-09 0:00 ` Robert Dewar
1999-07-09 0:00 ` tmoran
1999-07-02 0:00 ` Ed Falis
1999-07-03 0:00 ` Joe Wisniewski
1999-07-03 0:00 ` Keith Thompson
1999-07-03 0:00 ` Ed Falis
1999-07-13 0:00 ` Peter Amey
1999-07-02 0:00 ` Ted Dennison
1999-07-02 0:00 ` Ed Falis
1999-07-02 0:00 ` Stephen Leake
1999-07-02 0:00 ` Robert Dewar
[not found] ` <7ltus1$ah1@dfw-ixnews19.ix.netcom.com>
1999-07-13 0:00 ` Robert A Duff
1999-07-18 0:00 ` Richard D Riehle
1999-07-18 0:00 ` Dale Stanbrough
1999-07-20 0:00 ` Richard D Riehle
1999-07-19 0:00 ` Brian Rogoff [this message]
1999-07-20 0:00 ` Robert Dewar
1999-07-20 0:00 ` Brian Rogoff
1999-07-21 0:00 ` Robert Dewar
1999-07-21 0:00 ` Brian Rogoff
1999-07-22 0:00 ` Robert Dewar
1999-07-22 0:00 ` Brian Rogoff
1999-07-22 0:00 ` Robert Dewar
1999-07-22 0:00 ` Brian Rogoff
1999-07-21 0:00 ` Ted Dennison
1999-07-21 0:00 ` Robert A Duff
1999-07-21 0:00 ` Robert Dewar
1999-07-21 0:00 ` Robert A Duff
1999-07-21 0:00 ` Michael F. Yoder
1999-07-21 0:00 ` Robert A Duff
1999-07-23 0:00 ` Tucker Taft
1999-08-03 0:00 ` Richard D Riehle
1999-07-20 0:00 ` David Kristola
1999-07-18 0:00 ` jerry
1999-07-19 0:00 ` Vladimir Olensky
1999-07-20 0:00 ` Richard D Riehle
1999-07-20 0:00 ` jerry
1999-07-20 0:00 ` Opaque Types (was Elimination of "use" clauses) David C. Hoos, Sr.
1999-07-19 0:00 ` Elimination of "use" clauses Ted Dennison
1999-07-19 0:00 ` Tucker Taft
1999-07-19 0:00 ` Ted Dennison
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