[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: eval trouble
From: |
Lennart Borgman (gmail) |
Subject: |
Re: eval trouble |
Date: |
Mon, 25 Aug 2008 20:34:02 +0200 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 |
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.
- eval trouble, Lennart Borgman (gmail), 2008/08/25
- Re: eval trouble, Lennart Borgman (gmail), 2008/08/25
- Message not available
- Message not available
- Re: eval trouble, David Kastrup, 2008/08/25
- Re: eval trouble, Lennart Borgman (gmail), 2008/08/25
- Message not available
- Re: eval trouble, David Kastrup, 2008/08/25
- Re: eval trouble, Lennart Borgman (gmail), 2008/08/25
Message not available