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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada202X: Easy to use "UML private"-like components
Date: Mon, 24 Jun 2013 15:16:30 -0500
Organization: Jacob Sparre Andersen Research & Innovation
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Xref: news.eternal-september.org comp.lang.ada:15924
Date: 2013-06-24T15:16:30-05:00
List-Id: <comp.lang.ada>

"Robert A Duff" <bobduff@shell01.TheWorld.com> wrote in message 
news:wccppvc26ef.fsf@shell01.TheWorld.com...
...
> No, that's not at all what I meant.  I meant that a package would
> come in three parts:
>
>    package P is
>        ...
>    end P;
>
>    package private P is -- Just making up syntax here.
>        ...
>    end P;
>
>    package body P is
>        ...
>    end P;
>
> Normally stored in 3 separate source files.  There would be no
> private part syntax like we currently have.
...
> My suggestion is trivial to implement.  And it wouldn't be "as well",
> it would be "instead of".

I don't buy this. The specification would not have enough information to be 
usable, so compilation of it would be worthless. But because of the separate 
sets of withs, you'd have to be able to separately compile the private part 
(it couldn't be required to compile at the same time), so the complications 
would be doubled (if not more). And compiling a specification is already 
painful (because of all of the stuff that has to be delayed and fixed up at 
the end), having to delay that stuff indefinitely would be much worse.

I'm think your suggestion could be implemented with enough effort, but it 
isn't within a country mile of being trivial.

                                             Randy.