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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Concatenate enumeration
Date: Tue, 26 Oct 2010 02:29:44 +0200
Organization: Ada @ Home
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Date: 2010-10-26T02:29:44+02:00
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Le Fri, 22 Oct 2010 21:49:26 +0200, okellogg  =

<okellogg@users.sourceforge.net> a =C3=A9crit:

> In  =

> https://groups.google.com/group/comp.lang.ada/browse_thread/thread/33c=
e43bfeafb2681/237f979efee731d3,
> Randy Brukardt wrote:
>
>> "Robert A Duff" <bobd...@shell01.TheWorld.com> wrote in message
>> news:wcctywksu8t.fsf@shell01.TheWorld.com...
>> ...
>>
>> >> You can't. Enumeration types are not extensible.
>>
>> > Extensible enumeration types were proposed for Ada 9X,
>> > but were dropped.
>>
>> And were proposed again for Ada 2005, and were dropped again. See
>> AI95-0261-1. I doubt it will ever be proposed again.
>
> I wonder why this has not been picked up - especially when looking at
> all the new features that are making it into Ada2012.
>
> Oliver
I remember I made the same request when I felt it would be nice to be ab=
le  =

to extend an enumeration in multiple client packages, just like the way =
 =

you can extend a tagged record with additional members. Otherwise, I had=
  =

to declare all items of the enumeration, including many ones which was  =

meaning nothing in the context of the root package, or else had to  =

simulate enumeration extension in a tedious and not clean way (with  =

incompatible types, awkward conversion based on 'Pos / 'Val, and the lik=
e).

-- =

Si les chats miaulent et font autant de vocalises bizarres, c=E2=80=99es=
t pas pour  =

les chiens.