From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
To: pjb@informatimago.com
Cc: help-gnu-emacs@gnu.org
Subject: Re: eval trouble
Date: Mon, 25 Aug 2008 20:34:02 +0200 [thread overview]
Message-ID: <48B2FB1A.80003@gmail.com> (raw)
In-Reply-To: <18610.65088.524441.817690@hubble.informatimago.com>
Pascal J. Bourguignon wrote:
> Lennart Borgman (gmail) writes:
>> Pascal J. Bourguignon wrote:
>>> "Lennart Borgman (gmail)" <lennart.borgman@gmail.com> writes:
>>>>> Here is the code that does NOT work:
>>>>>
>>>>> (defun mumamo-define-no-mode (mode-sym)
>>>>> (let ((mumamo-repl4 (make-symbol (format "mumamo-repl4-%s" mode-sym)))
>>>> It works if I replace make-symbol with intern. But why does eval care
>>>> about that?
>>> eval doesn't care, but how would you be able to refer again to the
>>> defined thing if you don't have its name in some dictionary?
>>
>> Thanks. I see. I thought eval interned the symbol, or perhaps rather
>> created an interned symbol. In this case it does not do that.
>>
>> Or am I still misunderstanding something.
>
> Only intern interns symbols. intern is called automatically only by
> the lisp reader. It's when a s-expression is read that symbols it
> contains are interned. When you call eval, it's already done.
Yepp. I was still misunderstanding. Thanks, that was very clear.
next prev parent reply other threads:[~2008-08-25 18:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-25 16:56 eval trouble Lennart Borgman (gmail)
2008-08-25 17:08 ` Lennart Borgman (gmail)
[not found] ` <mailman.17509.1219684131.18990.help-gnu-emacs@gnu.org>
2008-08-25 17:43 ` Pascal J. Bourguignon
2008-08-25 17:45 ` Lennart Borgman (gmail)
2008-08-25 18:47 ` Pascal J. Bourguignon
2008-08-25 18:34 ` Lennart Borgman (gmail) [this message]
[not found] ` <mailman.17512.1219686348.18990.help-gnu-emacs@gnu.org>
2008-08-25 19:50 ` David Kastrup
2008-08-25 20:59 ` Lennart Borgman (gmail)
[not found] ` <mailman.17522.1219697977.18990.help-gnu-emacs@gnu.org>
2008-08-25 21:36 ` David Kastrup
2008-08-25 21:43 ` Lennart Borgman (gmail)
2008-09-14 20:57 ` David Combs
2008-09-14 22:20 ` Drew Adams
2008-09-17 7:51 ` Kevin Rodgers
[not found] ` <mailman.19402.1221638109.18990.help-gnu-emacs@gnu.org>
2008-09-22 19:59 ` David Combs
2008-08-25 19:48 ` David Kastrup
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