From: Luca Stasio <stasio2000@tin.it>
Subject: Re: Ada Singleton Pattern
Date: Mon, 13 Sep 2004 16:18:36 GMT
Date: 2004-09-13T16:18:36+00:00 [thread overview]
Message-ID: <wLj1d.312218$5D1.13785509@news4.tin.it> (raw)
In-Reply-To: <14p6ezf3vze8j$.j05arkr066wi.dlg@40tude.net>
Dmitry A. Kazakov ha scritto:
> On Mon, 13 Sep 2004 15:04:27 GMT, Luca Stasio wrote:
>
>
>>Hi, there is a way to implement the Singleton Pattern in Ada?
>>There are some examples out there?
>>Thanx.
>
>
> package Foo is
> type Singleton (<>) is limited private;
> ... -- Public interface subroutines
>
> The_Only_One : constant Singleton; -- The value
> private
> type Singleton is new Integer; -- Any implementation you want
> The_Only_One : constant Singleton := 5;
>
> The public view of Singleton is unconstrained and limited, which prevents
> it from either being copied or declaring new objects of this type.
>
thanx a lot ;o)
next prev parent reply other threads:[~2004-09-13 16:18 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-13 15:04 Ada Singleton Pattern Luca Stasio
2004-09-13 15:33 ` Dmitry A. Kazakov
2004-09-13 16:18 ` Luca Stasio [this message]
2004-09-13 17:01 ` Luca Stasio
2004-09-13 18:43 ` Martin Dowie
2004-09-13 19:37 ` Martin Dowie
2004-09-14 2:29 ` Steve
2004-09-14 8:52 ` Martin Dowie
2004-09-14 12:46 ` Jim Rogers
2004-09-14 13:57 ` Luca Stasio
2004-09-13 20:38 ` Georg Bauhaus
2004-09-14 8:17 ` Dmitry A. Kazakov
2004-09-14 13:56 ` Luca Stasio
2004-09-14 14:21 ` Florian Weimer
2004-09-14 14:48 ` Dmitry A. Kazakov
2004-09-14 15:04 ` Florian Weimer
2004-09-15 7:33 ` Dmitry A. Kazakov
2004-09-16 6:48 ` Florian Weimer
2004-09-16 7:45 ` Dmitry A. Kazakov
2004-09-14 15:38 ` Luca Stasio
2004-09-14 16:32 ` Florian Weimer
2004-09-14 17:43 ` Luca Stasio
2004-09-15 7:27 ` Martin Dowie
2004-09-15 19:38 ` Luca Stasio
2004-09-15 5:43 ` Matthew Heaney
2004-09-15 19:38 ` Luca Stasio
2004-09-18 21:47 ` Pylinius
2004-09-19 4:19 ` Matthew Heaney
2004-09-20 3:03 ` Pylinius
2004-09-23 7:35 ` Luca Stasio
2004-09-27 5:22 ` Pylinius
2004-09-27 8:05 ` Luca Stasio
2004-10-05 17:55 ` Luca Stasio
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