From: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: "Davide G. M. Salvetti" <salve@debian.org>,
Romain Francoise <rfrancoise@debian.org>
Subject: Re: add-hook versus custom-set-variables
Date: Thu, 29 Dec 2005 14:12:40 -0500 [thread overview]
Message-ID: <873bkb4t14.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <21285.1135850735@olgas.newt.com> (Bill Wohler's message of "Thu, 29 Dec 2005 02:05:35 -0800")
>> The evaluation of a form (A B C) can follow the following two paths:
>>
>> - if it's a macro:
>>
>> (eval (macrocall A B C))
>>
>> - if it's a function
>>
>> (funcall A (eval B) (eval C))
>>
>> Note how the function cannot delay the evaluation of its arguments.
> Thanks for the explanation. There's a lot of strange things in
> elisp--mostly around compilation and evaluation--that I don't understand
> and every little bit helps. Maybe another reading of these sections in
> the elisp manual will make more sense now.
Actually this difference between macros and functions applies to 99% of
all languages.
Stefan
next prev parent reply other threads:[~2005-12-29 19:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-28 23:05 add-hook versus custom-set-variables Bill Wohler
2005-12-29 3:24 ` Stefan Monnier
2005-12-29 7:44 ` Bill Wohler
2005-12-29 16:14 ` Stefan Monnier
2005-12-29 10:05 ` Bill Wohler
2005-12-29 19:12 ` Stefan Monnier [this message]
2005-12-30 5:37 ` Tomas Zerolo
2005-12-30 20:52 ` Bill Wohler
2005-12-30 22:25 ` Stefan Monnier
2005-12-31 19:36 ` Richard M. Stallman
2005-12-31 19:47 ` David Kastrup
2005-12-31 21:00 ` Chong Yidong
2005-12-31 21:26 ` David Kastrup
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=873bkb4t14.fsf-monnier+emacs@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=rfrancoise@debian.org \
--cc=salve@debian.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).