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From: Tom Moran <tmoran@bix.com>
Subject: Re: ObjectAda vs Gnat -- bugs
Date: 1997/05/25
Message-ID: <33888327.2B46@bix.com>#1/1
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References: <5loibn$qek@lotho.delphi.com> <JSA.97May19145513@alexandria>
 <01bc656a$a0307400$LocalHost@xhv46.dial.pipex.com>
Organization: InterNex Information Services 1-800-595-3333
Reply-To: tmoran@bix.com
Newsgroups: comp.lang.ada
Date: 1997-05-25T00:00:00+00:00
List-Id: <comp.lang.ada>


>   X : T renames Create(...);
vs.
>       X: T; -- X initialised to an unusable status
>    begin
>       Init(X,...); -- X now set up as required
> ... If X needs to be constant
> once set up, any attempt to call Init again on X could also be detected and
> raise and exception.
  The "renames" has the advantage that any attempt to modify or
re-create X would show us as a compile time, rather than a (possibly
path-dependent) run time, error.  OTOH, the "renames" might get some
later maintenance programmer into a tizzy. ;)