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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada package registry?
Date: Fri, 5 Feb 2016 18:04:34 -0600
Organization: JSA Research & Innovation
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Date: 2016-02-05T18:04:34-06:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
news:n91oau$1bk5$1@gioia.aioe.org...
> On 04/02/2016 22:09, Randy Brukardt wrote:
...
>> (The reason that we adopted the generalized reference feature that we did 
>> is
>> because of the ability to use it to manage persistence -- in particular, 
>> to
>> be able to figure out when the in-memory copy can be freed and written to
>> the backing store.)
>
> That is not enough. You need references with a notification upon 
> dereferencing.

That's called "a function call" :-). There's no need for a separate feature 
for that (since anonymous access results are essentially uncopyable). What 
was missing was a way to know when the access itself goes away.

                             Randy.


                     Randy.