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Message from discussion LOOP and patterns (Re: Hash to list?)
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Erann Gat  
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 More options Dec 10 1999, 3:00 am
Newsgroups: comp.lang.lisp
From: g...@jpl.nasa.gov (Erann Gat)
Date: 1999/12/10
Subject: Re: LOOP and patterns (Re: Hash to list?)

In article <3153828708572466...@naggum.no>, Erik Naggum <e...@naggum.no> wrote:
>   for some bizarre reasons that have nothing to do with just getting the
>   job done or correctness or speed of execution or any of the numerous
>   other reasons that are actually valid concerns for rewriting code, LOOP
>   forms just _have_ to be rewritten, whined about, and detested.  offering
>   to take its place is just a bunch of _new_ weirdness that the author is
>   sure looks a lot better

Ironically, it may be a fundamental feature of Lisp that encourages
this sort of behavior.  One of the great strengths of the language is
that it makes it easy to do incremental compilation, which results in
short debug cycles, which makes it very tempting to do just one more
iteration to get it Right with a capital R.  Since every iteration is
cheap it's very insidious -- you can fritter away the whole day on
some useless piece of art before you realize it.  C/C++/Java programmers
never get caught in this because they know a priori that if they even
*try* to make an existing thing better it will take them the whole day,
so they don't start.  Instead, they accept the existing code base cruft
and all and move on.  This is why they win.

Erann Gat
g...@jpl.nasa.gov


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