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Message from discussion Finding Average without using Recusrion only using Prog
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RG  
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 More options Nov 4 2012, 10:07 am
Newsgroups: comp.lang.lisp
From: RG <rNOSPA...@flownet.com>
Date: Sun, 04 Nov 2012 08:07:39 -0700
Local: Sun, Nov 4 2012 10:07 am
Subject: Re: Finding Average without using Recusrion only using Prog
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In article <afmocbFkjd...@mid.individual.net>,
 Nils M Holm <news2...@t3x.org> wrote:

> WJ <w_a_x_...@yahoo.com> wrote:
> > > (define (avg n*)
> > >   (/ (apply + n*)
> > >      (length n*)))

> > > Substitute SRFI-1 FOLD for APPLY, if your APPLY is broken
> > > (i.e. limited to some maxmimum number of arguments).

> > You completely missed the point, which was to avoid
> > traversing the list more than once.  Consequently,
> > you solved an entirely different problem.

> APPLY does not traverse the list. Problem solved.

Of course it does.  How else could it access the arguments to the
function being applied?

rg


 
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