From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Subject: Re: Array Help?
Date: Wed, 29 Feb 2012 08:50:13 -0800 (PST)
Date: 2012-02-29T08:50:13-08:00 [thread overview]
Message-ID: <17412419.40.1330534213855.JavaMail.geo-discussion-forums@vbva11> (raw)
In-Reply-To: <wcck435wrj2.fsf@shell01.TheWorld.com>
Robert A Duff wrote on comp.lang.ada:
> You usually want arrays to start at 1, or sometimes 0 (assuming
> the index type is a signed integer type, which is almost always
> the case for unconstrained arrays). In Ada 2012, you can say:
>
> type Integer_Array is array (Positive range <>) of Integer
> with Dynamic_Predicate => Integer_Array'First = 1;
>
> or:
>
> type Integer_Array is array (Natural range <>) of Integer
> with Dynamic_Predicate => Integer_Array'First = 0;
>
> Now 'Last can be anything you like, but 'First is fixed.
Doesn't that preclude slices that don't start at 'First?
Supposing your declarations, can you call
procedure Foo (Param : in out Integer_Array);
like this:
declare
A : Integer_Array (1 .. 10) := (others => 0);
begin
Foo (A (3 .. 8));
end;
?
--
Ludovic Brenta.
next prev parent reply other threads:[~2012-02-29 17:17 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-28 20:15 Array Help? Will
2012-02-28 20:47 ` Ludovic Brenta
2012-02-28 22:11 ` Simon Wright
2012-02-28 23:09 ` Will
2012-02-29 0:24 ` Adam Beneschan
2012-02-28 20:50 ` Gautier write-only
2012-02-28 21:33 ` Simon Wright
2012-02-29 0:27 ` Adam Beneschan
2012-02-29 8:00 ` Simon Wright
2012-02-29 8:48 ` Simon Wright
2012-02-29 0:22 ` Adam Beneschan
2012-02-29 16:09 ` Robert A Duff
2012-02-29 16:50 ` Ludovic Brenta [this message]
2012-02-29 18:24 ` Robert A Duff
2012-02-29 19:45 ` stefan-lucks
2012-02-29 20:45 ` Jeffrey Carter
2012-02-29 21:27 ` stefan-lucks
2012-02-29 23:06 ` Robert A Duff
2012-03-02 13:45 ` stefan-lucks
2012-03-07 23:58 ` Randy Brukardt
2012-03-08 11:20 ` stefan-lucks
2012-03-09 2:02 ` Randy Brukardt
2012-03-09 8:48 ` stefan-lucks
2012-03-09 21:10 ` Randy Brukardt
2012-03-15 2:55 ` BrianG
2012-03-15 7:46 ` stefan-lucks
2012-02-29 20:07 ` Dmitry A. Kazakov
2012-02-29 23:15 ` Robert A Duff
2012-03-01 8:54 ` Dmitry A. Kazakov
2012-03-01 14:06 ` Robert A Duff
2012-02-29 20:47 ` Simon Wright
2012-02-29 22:23 ` Robert A Duff
2012-02-29 23:27 ` Robert A Duff
2012-03-01 0:53 ` Adam Beneschan
2012-03-01 7:16 ` Ludovic Brenta
2012-03-01 14:03 ` Robert A Duff
2012-03-08 0:11 ` Randy Brukardt
2012-03-08 0:08 ` Randy Brukardt
2012-02-29 23:30 ` Simon Wright
2012-02-29 18:35 ` Jeffrey Carter
2012-02-29 22:59 ` Robert A Duff
2012-02-29 23:51 ` Jeffrey Carter
2012-03-01 3:03 ` Robert A Duff
2012-02-29 20:40 ` Adam Beneschan
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