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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Initialization of Arrays in Ada
Date: Wed, 24 Feb 2010 17:50:25 -0600
Organization: Jacob Sparre Andersen
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Date: 2010-02-24T17:50:25-06:00
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"Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org> wrote in message 
news:hm4732$7f6$1@tornado.tornevall.net...
> sjw wrote:
>>
>> but then the indices of Arr are -2147483648 .. -2147483647 (ie, start
>> at Integer'First. Not sure if this is mandated behaviour -- probably
>
> The indices start at Integer'First. The exact value of Integer'First 
> depends on the compiler. You cannot count on the range of Integer being 
> greater than a 16-bit signed integer.
>
> This is mandated: ARM 4.3.3(26): "[The bounds of the index range of an 
> array_aggregate are determined as follows:] For a 
> positional_array_aggregate ..., the lower bound is ... that of the 
> corresponding index subtype ..."

Right. There is a reason that String is defined:

     array (Positive range <>) of Character;

                                        Randy.