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Message from discussion FORTH Trouble--Please Show Me
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Albert van der Horst  
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 More options Oct 18 2012, 5:53 pm
Newsgroups: comp.lang.forth
From: alb...@spenarnc.xs4all.nl (Albert van der Horst)
Date: 18 Oct 2012 21:53:31 GMT
Local: Thurs, Oct 18 2012 5:53 pm
Subject: Re: FORTH Trouble--Please Show Me
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In article <alpine.BSF.2.00.1210181553240.32...@yoko.controlq.com>,
 <S...@ControlQ.com> wrote:

 <SNIP>

>Admittedly, run time bounds checking has a price, but if this were under
>the control of a global setting, one might use a "safe" mode to debug new
>code, and a "fast" mode to run production code.

>I'm not proposing global bounds checking, but low hanging fruit like stack
>overflow/underflow should and could be handled this way, and perhaps
>dictionary and heap management should be simple to check.  Indeed, forth
>encourages system exploration in an interactive environment, so this
>cannot be too restrictive ...

You missed an important point here. If you can get your arrays right
with bound checking, you certainly can get them right without.
If you make a mistake in the bounds checking, you're back to square one.
So it makes sense for novices to use a novice package to be saved
from this. The logic behind the Novice Package of Aguilar is flawless.

>IMHO.

>Rob.

Groetjes Albert

 
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