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From: "Vinzent Hoefler" <nntp-2010-10@t-domaingrabbing.de>
Newsgroups: comp.lang.ada
Subject: Re: Warnings about hiding
Date: Sat, 09 Oct 2010 03:31:58 +0200
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Date: 2010-10-09T03:31:58+02:00
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On Fri, 08 Oct 2010 14:47:05 +0200, Julian Leyh <julian@vgai.de> wrote:

> $ cat foo.ads
> with Ada.Finalization;
> package foo is
>    type Foobar is new Ada.Finalization.Controlled with null record;
>    function "=" (L,R : in Foobar) return Boolean;
> private
>    procedure Finalize (Object : in out Foobar);
> end foo;
> $ gnat -gnatwh -gnatc foo.ads
> gcc -c -gnatwh -gnatc foo.ads
> foo.ads:4:13: warning: declaration of "=" hides one in package
> Standard
> foo.ads:6:14: warning: declaration of "Finalize" hides one at line 3
> $

JFTR: If you move "Finalize" into the public part, the warning for it
disappears (just tested with GNAT GPL 2010).

(IMO, there's no point putting it in the private part, the operation
is already known, anyway.)


Vinzent.

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