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From: "Martin Dowie" <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: Mneson announcement and help request
Date: Thu, 3 Jun 2004 05:48:37 +0000 (UTC)
Organization: BT Openworld
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Date: 2004-06-03T05:48:37+00:00
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"Jeffrey Carter" <spam@spam.com> wrote in message
news:Xyxvc.19956$Tn6.3068@newsread1.news.pas.earthlink.net...
> The standard idiom should be
>
> loop
>     exit when End_Of_File (Current_Input);
>
>     Get_Immediate (C);
> end loop;
>
> which eliminates the calls to "not". In addition, it uses positive
> logic, rather than the negative logic required by while, which is easier
> to read and understand.

Well, the "not" is a red herring really as it is just one of two inverse
assembler instructions really.

And my JSP background has always insisted on "while not <exit condition>"
:-)