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Date: Sun, 09 Jul 2006 12:21:25 -0400
From: "Peter C. Chapin" <pchapin@sover.net>
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Subject: Re: How to properly clean up an extended, generic structure?
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Date: 2006-07-09T12:21:25-04:00
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Ludovic Brenta wrote:

> You do not need to change anything to your Splay_Tree; instead, just
> pass a controlled type as the Item_Type.  A controlled type is a type
> derived from Ada.Finalization.Controlled(*).  You override its
> Finalize procedure to reclaim the storage for the item; that's the
> equivalent of a destructor in C++.  The language guarantees (ARM
> 7.6(1)) that the instance of Unchecked_Deallocation will call your
> Finalize, much like delete in C++ will call your destructor.

That sounds good... much better than what I was thinking about before. 
I'll play with it. Thank you (and others) for bringing this to my attention.

Peter