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From: Anh Vo <anhvofrcaus@gmail.com>
Subject: Re: How to return an empty aggregate
Date: Tue, 1 Apr 2008 05:54:00 -0700 (PDT)
Date: 2008-04-01T05:54:00-07:00	[thread overview]
Message-ID: <69046060-8641-4e6b-95a9-232c6a8059ba@e6g2000prf.googlegroups.com> (raw)
In-Reply-To: dc7a9d13-4325-40bb-a6ac-acd7c4e906fc@t54g2000hsg.googlegroups.com

On Apr 1, 4:58 am, Maciej Sobczak <see.my.homep...@gmail.com> wrote:
> In my previous post I had the following:
>
>       type Concrete is new Middle with null record;
>
>       function Make_Concrete return Concrete is
>          C : Concrete;
>       begin
>          return C;
>       end Make_Concrete;
>
> I would like to return the empty(?) aggregate instead of the dummy
> local variable.
> Is there a way to do this?
>
> The following:
>
>         return Concrete' (others => <>);
>
> results in segmentation fault on my system (compiler version as
> before).
>

Did you get seg fault during run time or the compiler crashed with seg
fault?

By the way, the return statement should be flagged as syntax error due
to missing the base type Middle.

> Extended return with null statement works fine, but I would like to
> understand the language corners involved with the aggregate.

This must me the compiler bug. The program should behave the same way.

AV



  reply	other threads:[~2008-04-01 12:54 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-01 11:58 How to return an empty aggregate Maciej Sobczak
2008-04-01 12:54 ` Anh Vo [this message]
2008-04-01 17:18   ` Adam Beneschan
2008-04-02  7:16     ` Maciej Sobczak
2008-04-01 13:34 ` Dmitry A. Kazakov
2008-04-01 15:00 ` Robert A Duff
2008-04-02  7:19   ` Maciej Sobczak
2008-04-03  5:02     ` george.priv
2008-04-03  9:09       ` Maciej Sobczak
2008-04-04 15:38         ` george.priv
2008-04-04 20:35           ` Maciej Sobczak
2008-04-04 23:58             ` george.priv
2008-04-05 13:48               ` Maciej Sobczak
2008-04-05 16:04                 ` george.priv
2008-04-05 21:14                   ` Maciej Sobczak
2008-04-05 22:36                     ` george.priv
2008-04-06 19:53                       ` Maciej Sobczak
2008-04-06  7:00                     ` george.priv
2008-04-06 20:04                       ` Maciej Sobczak
2008-04-07 20:23                         ` george.priv
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