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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Generic warning
Newsgroups: comp.lang.ada
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Date: Wed, 18 Jun 2008 16:42:23 +0200
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Date: 2008-06-18T16:42:23+02:00
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On Wed, 18 Jun 2008 14:32:28 +0000, S�bastien Morand wrote:

>> (Newbie qiestion, coming from VHDL, halfway through the Barnes book)
>> 
>> Can you not create a subtype of Positive to reflect that, and declare
>> both the array and index using that subtype?
> 
> I can't create a subtype using a parameter.

No, no, you mean a *type*.

> generic
> 	Order: Positive;
> package Test is
> 	--  Can't work since Order is not defined at compile time
> 	type MyType is range 1 .. Order;

This would be a type. But you do can create a subtype:

   subtype Index is range 1..Order; -- This is OK

Subtypes can be dynamically constrained.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de