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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: index check failure - constraint error
Date: Fri, 1 Apr 2011 05:13:30 -0700 (PDT)
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tonyg wrote on comp.lang.ada:
> On Apr 1, 12:12=A0pm, Egil H=F8vik <egilho...@hotmail.com> wrote:
>
>> In your loop you assume The_String'First=3D1,
>> that may not always be the case, especially if
>> you call this function on array slices.
>> Try "for count in The_String'Range loop" instead

Well spotted.

> Worked a treat - still don't understand why the first character in the
> string is not 1 though,
> Thanks for the help

   S : constant String :=3D "***123***";
   I : constant Integer :=3D String_To_Integer (S (4 .. 6));

Inside String_To_Integer, The_String'First=3D4.  S (4 .. 6) is called a
"slice".

--
Ludovic Brenta.