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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: Allocation questions
Date: Thu, 28 May 2009 05:19:31 -0700 (PDT)
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xavier grave:
> > Or you could use a discriminant:
>
> > =A0 =A0type Samples (No_Of_Samples : Natural :=3D 0) is
> > =A0 =A0 =A0 record
> > =A0 =A0 =A0 =A0 =A0S : array (1 .. No_Of_Samples) of Sample;
> > =A0 =A0 =A0 end record;
>
> My two cents about variant discriminant : IMHO one should avoid to
> declare No_Of_Samples as Natural and with a default value, because as
> far as I remember some compilers will book for S (1 .. Natural'Last) of
> Sample which can be a lot...
>
> May be some compiler guru can confirm or infirm this ?

I confirm this with GNAT even though I'm no guru. Well spotted,
Xavier.

--
Ludovic Brenta.