Extensible Enummerated types FW: When will next Ada revision be? (83, 95, ?)

["Robert C. Leif, Ph.D." <rleif@rleif.com>]

From: Bob Leif
To: Tucker Taft et al.
I believe that at one time you mentioned the possibility of extending an
enumerated type. This would greatly facilitate object oriented programming.
For instance, I have created a Person_Names package. The components of the
name are contained in a record. The tile part: Mr, Ms, Miss, Mrs, Dr, Prof,
etc. must include other. If one needs to make Person_Names.Military one has
to add the ranks. For Person_Names.Clergy, we go from Priest, Rabbi to Pope.
I most strongly believe that although enumerated types are extremely useful,
it is in some cases impossible to anticipate all of them. Extending
enumerated types in child libraries would permit object oriented programming
with this construct.

I will be unable to participate in any discussion until Jan 26, 2001. I have
to Chair a session on Advanced Techniques in Analytical Cytology at SPIE
BiOS 2001. Unfortunately, I think that I am the only one who uses the word
Ada at this SPIE meeting. Many of the devices reported upon can be
life-critical. The level of software development is often quite depressing.

-----Original Message-----
From: comp.lang.ada-admin@ada.eu.org
[mailto:comp.lang.ada-admin@ada.eu.org]On Behalf Of Tucker Taft
Sent: Friday, January 19, 2001 2:51 PM
To: comp.lang.ada@ada.eu.org
Subject: Re: When will next Ada revision be? (83, 95, ?)


"Beard, Frank" wrote:
>
> Where can we go to see a list of the proposed updates to the language?

Look at:


http://www.ada-auth.org/cgi-bin-acats/cvsweb.cgi/AIs/AI-SUMMARY.DOC?rev=1.74

and search for "Class: Amendment" (they are toward the bottom of the file).

>
> Frank

--
-Tucker Taft   stt@avercom.net   http://www.averstar.com/~stt/
Chief Technology Officer, AverCom, Inc. (A Titan Company) Burlington, MA
USA
(AverCom was formed 1/1/01 from the Commercial Division of AverStar)
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