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Jack Beidler <[log in to unmask]>
Mon, 15 Oct 2001 17:54:58 -0400
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Stephane Richard wrote:

> Just a quick question about Ada95.  Is there such a thing as a Collection
> Object, or an equivalent data structure that would allow me to do the
> following, for example.  Either included in Ada, or coded and available somewhere as a
> library.
> Create the collection
> TYPE Integer_List IS COLLECTION OF Integer (or something similar).

I'm not sure why you would want to do that.  Use Ada's generic packaging, which is
somewhat analogous to C++ templates and Generic Java (PolyJ).

> This_List : Integer_List;
> ThisList.Add 12
> ThisList.Add 24
> ThisList.Delete 2  -- DELETE second element added to the collection.
> and other features to allow to manipulate this list of whichever type I
> choose.  In this example it's a list of integers.  But it could be a list of
> records, a list of packages (if possible), a list of pretty much anything
> available to the Ada95 Language.

There are several sources of data structure packages in Ada, you can find the Booch
components, or the packages I have used for years at

Jack Beidler
John (Jack) Beidler, Ph.D., Professor of Computer Science
Computing Sciences Department
University of Scranton
Scranton, PA 18510
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