From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.4
X-Google-Thread: 103376,999932ecc319322a
X-Google-Attributes: gid103376,public
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news1.google.com!news1.google.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "Martin Dowie" <martin.dowie@baesystems.com>
Newsgroups: comp.lang.ada
Subject: Re: advice on package design
Date: Fri, 18 Mar 2005 09:31:14 -0000
Organization: BAE SYSTEMS
Message-ID: <423a9e2c$1_1@glkas0286.greenlnk.net>
References: 
 <1110212638.336123.298580@l41g2000cwc.googlegroups.com><1gbk0qx2sgzpg$.sltzfssofla8$.dlg@40tude.net><wcc64zw63j6.fsf@shell01.TheWorld.com><3jok3ghqqls8$.1rrsonb8jsurt$.dlg@40tude.net><wccsm30ttj5.fsf@shell01.TheWorld.com><88zllqj1min5$.fqqxis9i327d$.dlg@40tude.net><wcck6o7s4q4.fsf@shell01.TheWorld.com><18e9a92kz25wu$.8b965bel5vef$.dlg@40tude.net><wccpsxy1i8l.fsf@shell01.TheWorld.com><1dgodaruwhhwo$.1baazg490isjx.dlg@40tude.net><wcc7jk6rsvg.fsf@shell01.TheWorld.com><d1cms8$knl$1@titan.btinternet.com><wccwts66lh4.fsf@shell01.TheWorld.com>
 <mailman.39.1111094092.23655.comp.lang.ada@ada-france.org>
X-Trace: individual.net DRXL2F40KIoOKEGgTinL+AKwL4GbF1Hwqfr92ON0H9WzU11/Jn
X-Orig-Path: glkas0286.greenlnk.net!glkas0286!not-for-mail
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700
X-Original-NNTP-Posting-Host: glkas0286.greenlnk.net
Xref: g2news1.google.com comp.lang.ada:9587
Date: 2005-03-18T09:31:14+00:00
List-Id: <comp.lang.ada>

Marius Amado Alves wrote:
> Bob told you why. I'll tell you how, just in case. Rewrite Foo thus:
>
>   function Foo (I : Integer) return Integer is
>   begin
>      declare
>         I2 : Integer := I + 1;
>      begin
>         return I2;
>      end;
>   exception
>      when others =>
>         return 0;
>   end Foo;
>
> (Of course this how follows from the why. I2 is no longer visible in
> the handler.)

Thanks - I'm afraid I've already been through the pain of doing just
this on several dozen function on my first Ada83 program when I
discovered this little 'design feature' :-)

Cheers

-- Martin