From: Simon Wright <simon@pogner.demon.co.uk>
Subject: Re: "out" or "access"
Date: 1998/11/03
Date: 1998-11-03T00:00:00+00:00 [thread overview]
Message-ID: <x7vogqobgyd.fsf@pogner.demon.co.uk> (raw)
In-Reply-To: m31znmkgir.fsf@mheaney.ni.net
Matthew Heaney <matthew_heaney@acm.org> writes:
> I'm designing a data structure library --which I've been calling the Ada
> Components Library-- which comprises pluggable units. You assemble the
> data structure having the space & time characteristics you desire, from
> a simpler set of primitives. (Sound like our favorite language?)
[..]
> From time-to-time, it's desirable to change the values of the items in
> the data structure, without resorting to inefficient "solutions" like
> copying the original data structure, and changing the source values
> prior to insertion into the target structure. You just want to change
> the values in place.
Yes, I'm going through the same throes with the Booch Components at
the moment.
Having the ability to change components in place during iteration
causes a whole lot of grief, in the BCs showing up as
generic
type Item is private;
type Item_Ptr is access all Item;
package BC.Containers is
yecch
next prev parent reply other threads:[~1998-11-03 0:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-10-21 0:00 "out" or "access" =:-) Vincent
1998-10-21 0:00 ` Jeff Carter
1998-10-21 0:00 ` Pat Rogers
1998-10-21 0:00 ` Martin C. Carlisle
1998-10-22 0:00 ` Pat Rogers
1998-10-22 0:00 ` Robert A Duff
1998-10-21 0:00 ` dennison
1998-10-21 0:00 ` Tucker Taft
1998-10-22 0:00 ` Pascal Obry
1998-10-29 0:00 ` Robert A Duff
1998-10-29 0:00 ` Matthew Heaney
1998-10-29 0:00 ` Robert A Duff
1998-10-30 0:00 ` dennison
1998-10-30 0:00 ` Matthew Heaney
1998-10-30 0:00 ` Robert A Duff
1998-10-31 0:00 ` Matthew Heaney
1998-11-01 0:00 ` Robert A Duff
1998-11-01 0:00 ` Matthew Heaney
1998-11-01 0:00 ` Robert A Duff
1998-11-02 0:00 ` Matthew Heaney
1998-11-03 0:00 ` Simon Wright [this message]
1998-11-16 0:00 ` Matthew Heaney
1998-10-31 0:00 ` dewar
1998-10-31 0:00 ` Matthew Heaney
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