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From: dmitry@elros.cbb-automation.de (Dmitry A. Kazakov)
Newsgroups: comp.lang.ada
Subject: Re: How to avoid unreferenced objects (mutexes etc)
Date: Mon, 14 Jan 2002 08:54:23 GMT
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On 11 Jan 2002 11:40:37 -0800, dewar@gnat.com (Robert Dewar) wrote:

>dmitry@elros.cbb-automation.de (Dmitry A. Kazakov) wrote in message news:<3c3ee8c8.105408250@News.CIS.DFN.DE>...
>> The problem is that the object Temp is never referenced. 
>> The compiler
>> complains of that, but it is a minor problem. The 
>> questions are
>
>
>In GNAT, we just introduced 
>
>   pragma Unreferenced (entity-name, entity-name, ....);
>
>specifically to deal with entities that are deliberately
>unreferenced. This pragma supresses unreferenced warnings
>for the entity, and gives an error if the entity is actually referenced.
>
>It provides useful documentation that the entity is really
>really intended to be there, and serves a purpose even
>though it is not specifically referenced.

Very nice. In which GNAT version it appears?

Regards,
Dmitry Kazakov