From: Barry Margolin <barmar@alum.mit.edu>
To: help-gnu-emacs@gnu.org
Subject: Re: Setting the nth element of a list
Date: Fri, 05 Jun 2009 16:51:37 -0400 [thread overview]
Message-ID: <barmar-F1AA7A.16513705062009@mara100-84.onlink.net> (raw)
In-Reply-To: b775c362-a37c-4d38-bce1-8de6922acbd3@b1g2000vbc.googlegroups.com
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In article
<b775c362-a37c-4d38-bce1-8de6922acbd3@b1g2000vbc.googlegroups.com>,
Nordlöw <per.nordlow@gmail.com> wrote:
> How do I accomplish the same with arrays? Using aref I guess. Here is
> my mockup that doesn't yet do what I want:
>
> (defun setnthref (n array x)
> "Set N:th element of ARRAY to X for side effects only."
> (set (aref array n) x))
There's already a built-in function aset that does exactly that, except
it takes its arguments in a different order. Why do you need your own
function?
--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
prev parent reply other threads:[~2009-06-05 20:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-04 21:08 Setting the nth element of a list Nordlöw
2009-06-04 22:06 ` Drew Adams
2009-06-04 22:35 ` Lennart Borgman
2009-06-05 2:25 ` Barry Margolin
2009-06-05 13:06 ` Nordlöw
2009-06-05 13:10 ` Nordlöw
2009-06-05 13:25 ` Pascal J. Bourguignon
2009-06-05 13:57 ` Nordlöw
2009-06-05 15:08 ` Pascal J. Bourguignon
2009-06-05 16:56 ` bigfaceworm
2009-06-06 6:01 ` Miles Bader
2009-06-05 20:51 ` Barry Margolin [this message]
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