[Newbies] Re: block in recursion, Any cure for that kind of situation?

Hilaire Fernandes hilaire at ofset.org
Wed Jan 23 08:51:58 UTC 2008


Indeed, and I am adapting from DrGeo1.1 which embede the Guile Scheme
interpretor, see
http://documentation.ofset.org/drgeo/fr/drgenius_93.html

Hilaire

Le mardi 22 janvier 2008 à 15:42 -0800, Ben Goetter a écrit :
> >This is a maintenance nightmare waiting to happen.  Use a proper method call,
> 
> Squeak Smalltalk blocks are just similar enough to Scheme lambdas that I still fall into this trap, too.
> 
> (letrec ((carre (lambda (s1 s2 s3 s4 n)
>                  (if (> n 0)
>                   (carre (segment s1 s2)
>                          (segment s2 s3)
>                          (segment s3 s4)
>                          (segment s1 s4)
>                          (- n 1))))))
>  'oops-must-remember-this-is-Squeak-not-Scheme)
> 
> Ben
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