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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Generic warning
Date: Wed, 18 Jun 2008 16:42:23 +0200
Date: 2008-06-18T16:42:23+02:00	[thread overview]
Message-ID: <9kpc0dqlpz0w$.u1qnk7e1zznp$.dlg@40tude.net> (raw)
In-Reply-To: 48591C7C.8050304@gmail.com

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



  parent reply	other threads:[~2008-06-18 14:42 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-17 16:44 Generic warning Sébastien Morand
2008-06-17 17:17 ` Dmitry A. Kazakov
2008-06-17 18:33   ` Sébastien Morand
2008-06-17 19:04     ` Dmitry A. Kazakov
2008-06-18  8:41       ` Sébastien Morand
2008-06-18 14:16         ` Brian Drummond
2008-06-18 14:32           ` Sébastien Morand
2008-06-18 14:39             ` Ed Falis
2008-06-18 14:42             ` Dmitry A. Kazakov [this message]
2008-06-18 15:10               ` Robert A Duff
2008-06-18 15:25                 ` Dmitry A. Kazakov
2008-06-18 15:38                   ` Ed Falis
2008-06-18 17:04                     ` Dmitry A. Kazakov
2008-06-17 18:20 ` Jeffrey R. Carter
2008-06-18  8:55   ` Sébastien Morand
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