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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Question: dynamic rename?
Date: Sat, 03 Sep 2011 11:04:05 +0100
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Date: 2011-09-03T11:04:05+01:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> On Fri, 2 Sep 2011 19:28:38 -0700 (PDT), Darkwing wrote:
>
>> Is there an Ada elegant way to do something like the following:
>> 
>> signal : signal_type renames =>
>> case configuration is
>>  when one => signal_one;
>>  when two => signal_two;
>> end case;
>
> Nested subprogram taking signal as an argument.

I thought that, but what if signal_one, signal_two were variables and
you needed an lvalue? I think you'd need to return an access value. Must
depend very much on context.