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Re: Basic questions about elisp
From: |
Lennart Borgman |
Subject: |
Re: Basic questions about elisp |
Date: |
Thu, 5 Nov 2009 12:50:29 +0100 |
On Thu, Nov 5, 2009 at 12:13 PM, Francis Moreau <francis.moro@gmail.com> wrote:
> Hello,
>
> I'm trying to learn elisp and have a couple of basic questions.
>
> I'm iterating over a list using dotimes, but in the body of dotimes,
> the list can mutate. For example I have:
>
> (dolist (elt lst)
> ;; some codes
> (nconc lst '(2)))
>
> This adds/appends a new element to 'lst' list. It looks like 'dotimes'
> doesn't like it.
>
> So I eventually wrote it like this
>
> (setq i 0)
> (while (< i (length lst))
> ;; some codes
> (x-nconc lst '(2))))
> (setq i (1+ i)))
>
> which is a bit ugly, is there another way to do that ?
It is much easier to answer if you define exactly what you want to do
when lst grows.
Re: Basic questions about elisp, tomas, 2009/11/05
Message not available
Re: Basic questions about elisp, Pascal J. Bourguignon, 2009/11/05