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From: "Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr>
Subject: Re: Simpler Question (was Assigning to dereferenced null access
 variable)
Date: 2000/11/07
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"Vincent Marciante" <marciant@li.net> a �crit dans le message news: 3A0847ED.49AF@li.net...
>[...]
>     begin
>         Null_Sequence.The_Characters(1..0) := Null_Characters;
>         Put_Line("The Null_Characters assignment succeeded");
>     exception
>         when Constraint_Error =>
>         Put_Line("The Null_Characters assignment caused
> Constraint_Error");
>         --OS/2 GNAT 3.12 raises Constraint_Error
>     end;
> end;
Null_Sequence.The_Characters is a null pointer, there is no array to point to. This is what causes Constraint_Error, nothing to do
with the assignment.

--
---------------------------------------------------------
           J-P. Rosen (Rosen.Adalog@wanadoo.fr)
Visit Adalog's web site at http://pro.wanadoo.fr/adalog