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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Question about asynchronous calls
Date: Wed, 06 Nov 2013 13:49:52 -0700
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Date: 2013-11-06T13:49:52-07:00
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On 11/06/2013 12:54 PM, Shark8 wrote:
>
> Ex: Some_Array'Length returns Natural, I don't have to check for -1 whenever I use it.

'Length returns universal_integer (see ARM 3.6.2) so this is not an argument for 
subtypes (though there are many arguments for them). 'Length is defined not to 
return a negative value, so if it does do so, you have a compiler error.

-- 
Jeff Carter
"Mr. President, we must not allow a mine-shaft gap!"
Dr. Strangelove
33