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From: namekuseijin <namekusei...@gmail.com>
Newsgroups: comp.lang.lisp
Subject: Re: rant: LISP is non-functional!
Date: Sun, 4 Mar 2012 21:08:40 -0800 (PST)
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except vectors by nature are an imperative data-structure.  Not so with lists.  You may check with the haskell guys for this.

But yeah, older lisps like elisp and CL (the culmination of several older lisps) are pretty imperative in nature.  Scheme, Qi and Clojure are much better in this respect.