Re: GOTO controversy

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Article #4377

#4377

From: Tor Iver Wilhelmsen
Date: Tue, 05 Mar 1996 12:51

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rav@goanna.cs.rmit.EDU.AU (++           robin) writes:
[original code example deleted for brevity, see
<URL:news:Dn8pJ8.nqs@emi.net> for details]

>
>Is there any reason why the GOTOs can't be replaced by
>the particular action routine?

As he said, backtracking. The alternative would be to include yet another
function call in each successive if-sentence, making the code ugly.
Using gotos, the code _can_ be made to express the intended flow much
better, as in his example.

Are there any other languages than Prolog that implement a "machine" for
backtracking?

- Tor Iver
-- 
Tor Iver Wilhelmsen <toriver@pvv.unit.no> Approx. M. Sc. in CS from NTH, Norway 
Siviling. Tor I. Wilhelmsen // c/o ESD Nordic // Postboks 226 // 1411 Kolbotn
All opinions above invisible unless expressed or put in a blender. Whatever.
Info: http://www.pvv.unit.no/~toriver/  Member of The Software Workshop, NTNU

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Path: arc1-ca.pugleaf.net!bigblue.pvv.unit.no!toriver
From: toriver@pvv.unit.no (Tor Iver Wilhelmsen)
Newsgroups: comp.lang.misc,comp.lang.c,comp.lang.pl1
Subject: Re: GOTO controversy
Date: 5 Mar 1996 12:51:42 GMT
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