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From: Matthew Heaney <matthew_heaney@acm.org>
Subject: Re: Software landmines (loops)
Date: 1998/09/02
Message-ID: <m34suq7qra.fsf@mheaney.ni.net>#1/1
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NNTP-Posting-Date: Wed, 02 Sep 1998 10:22:56 PDT
Newsgroups: comp.lang.eiffel,comp.object,comp.software-eng,comp.lang.ada
Date: 1998-09-02T00:00:00+00:00
List-Id: <comp.lang.ada>

"Robert Martin" <rmartin@oma.com> writes:

> >So it's the structured approach which causes the redundancy, becuase Get
> >must be called twice.
> 
> Consider:
> 
>    do {
>       Get(N);
>       if (N)
>         <process N>
>    } while (N);
> 
> Structured programming allows the loop condition to be either at the top or
> the bottom.

The thing I dislike about the above code fragment is that N gets tested
twice.