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From: Martin <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: unsigned type
Date: Tue, 30 Jun 2009 05:39:57 -0700 (PDT)
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Date: 2009-06-30T05:39:57-07:00
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On Jun 29, 9:19=A0pm, a...@anon.org (anon) wrote:
[snip]
> =A0 =A0 =A0 =A0 A : String ;

Compilation error - String is an unconstrained type.

> =A0 =A0 =A0 =A0 A ( 1..1 ) -- is a valid string with a null range also eq=
ual
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0-- to character reference of A ( 1=
 ) =A0

This isn't a null range...it's a range with a length of 1.

If you want a null String, use:

   A : String :=3D "";

Cheers
-- Martin