Subject: Re: Learning LISP?
From: Erik Naggum <>
Date: 1998/11/30
Newsgroups: comp.lang.lisp
Message-ID: <>

* Steve Gonedes <>
| You can do, (caar (acons 'a 'b 'c)) as well. You can use first instead
| of car; some like this better, I'm surprised that c{ad}r haven't been
| declared archaic.

  because CONS is not a list-building operator, it's a tree-building
  operator.  lists are just special cases of trees.  and vice versa. :)

  FIRST, SECOND,... and REST work on lists, C[AD]+R on trees.

  The Microsoft Dating Program -- where do you want to crash tonight?