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List:       racket-users
Subject:    [plt-scheme] Re: PLT Mzlib: Libraries Manual 24.3 Examples	Y operatorill defined
From:       jensaxel () soegaard ! net (=?ISO-8859-1?Q?Jens_Axel_S=F8gaard?=)
Date:       2006-10-25 19:11:48
Message-ID: 453FB6F4.7020404 () soegaard ! net
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Kyle Smith skrev:

> I found this site to be particularly helpful: 
> http://www.ece.uc.edu/~franco/C511/html/Scheme/ycomb.html.  A this site I they 
> define the form that most of the examples I was finding were similar to.  They 
> called the applicative-order Y-combinator:
> 
>   (define Y
>     (lambda (X)
>       ((lambda (procedure)
>          (X (lambda (arg) ((procedure procedure) arg))))
>        (lambda (procedure)
>          (X (lambda (arg) ((procedure procedure) arg)))))))

There are many versions. Just in case you haven't seen this one:

"Putting Scheme to Work" by Danvy:

<http://www.cs.cmu.edu/afs/cs/project/ai-repository/ai/lang/scheme/code/fun/work.scm>

-- 
Jens Axel S?gaard



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