Re: Q: what idiom for inserting an element in a list

Subject: Re: Q: what idiom for inserting an element in a list
From: Erik Naggum <erik@naggum.no>
Date: 12 Aug 2002 06:45:57 +0000
Newsgroups: comp.lang.lisp
Message-ID: <3238123557311163@naggum.no>

* Hrvoje Niksic <hniksic@xemacs.org>
| Hardly idiomatic, but my first impulse was to try something like this:
| 
|     (push 'a (nthcdr 3 *l*))
| 
| But Common Lisp doesn't seem to define a SETF method for NTHCDR.  I
| wonder why?  Emacs's `cl.el' defines it, and this example works there.

  You would of course use (setf (cdr (nthcdr ...)) ...).

-- 
Erik Naggum, Oslo, Norway

Act from reason, and failure makes you rethink and study harder.
Act from faith, and failure makes you blame someone and push harder.