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Date: Tue, 04 Aug 2009 16:18:37 +0200
From: Georg Bauhaus <rm.dash-bauhaus@futureapps.de>
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Newsgroups: comp.lang.ada
Subject: Re: GNAT's stack checking in Ubuntu 9.04  (and Shootout regex-dna)
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Date: 2009-08-04T16:18:37+02:00
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Brian Drummond schrieb:

>>    declare
>> -      Sequence_Lines : Dna_Lines(1..Num_Lines);
>> +      type Dna_Lines_Pointer is access Dna_Lines;  -- avoids stack issues
>> +     -- Sequence_Lines : Dna_Lines_Pointer := new Dna_Lines(1..Num_Lines);
>        Sequence_Lines_ptr : Dna_Lines_Pointer := new Dna_Lines(1..Num_Lines);
>        Sequence_Lines : Dna_Lines(1..Num_Lines) renames Sequence_Lines_ptr.all;
> 
> and now no changes are necessary to the program (which may access the variable
> many times)
> 
>>      Put(Item => Length(Sequence_Lines), Width => 1);

Cool... I had already felt comfortable with .all being optional
when there are parens or tick marks, but this one's nice. Thanks.