From: bojohan+news@dd.chalmers.se (Johan Bockgård)
To: help-gnu-emacs@gnu.org
Subject: Re: newbie questions: why doesn't ((lambda (x) (x 2)) (lambda (n) (+ n 3))) work in elisp?
Date: Sat, 31 May 2008 10:58:13 +0200 [thread overview]
Message-ID: <yoijej7isvdm.fsf@remote5.student.chalmers.se> (raw)
In-Reply-To: mailman.12481.1212216300.18990.help-gnu-emacs@gnu.org
Thien-Thi Nguyen <ttn@gnuvola.org> writes:
> ⎛⎞ Tahsin Alam <tahsin.alam@db.com>
> ⎝⎠ Fri, 30 May 2008 13:03:49 -0400
>
> As the subject says - why does the following expression give
> error when I try to evaluate it in the *scratch* buffer?
>
> ((lambda (x) (x 2)) (lambda (n) (+ n 3)))
>
> One reason is because Emacs Lisp is not Scheme (sigh).
> You can try this, instead:
>
> (funcall (lambda (x) (funcall x 2)) (lambda (n) (+ n 3)))
The first funcall is unnecessary.
--
Johan Bockgård
next prev parent reply other threads:[~2008-05-31 8:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-30 17:03 newbie questions: why doesn't ((lambda (x) (x 2)) (lambda (n) (+ n 3))) work in elisp? Tahsin Alam
2008-05-31 6:41 ` Thien-Thi Nguyen
[not found] ` <mailman.12481.1212216300.18990.help-gnu-emacs@gnu.org>
2008-05-31 8:58 ` Johan Bockgård [this message]
[not found] <mailman.12463.1212181801.18990.help-gnu-emacs@gnu.org>
2008-05-30 21:27 ` Joost Diepenmaat
2008-05-30 21:33 ` Joost Diepenmaat
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