From: David Kastrup <dak@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: Macro vs Function
Date: Wed, 12 Apr 2006 15:52:16 +0200 [thread overview]
Message-ID: <85fyki3nqn.fsf@lola.goethe.zz> (raw)
In-Reply-To: <BAY101-F19FBA6CC9B57CDF6BF676DDAC20@phx.gbl> (Herbert Euler's message of "Wed, 12 Apr 2006 21:37:17 +0800")
"Herbert Euler" <herberteuler@hotmail.com> writes:
>>From: David Kastrup <dak@gnu.org>
>>To: "Herbert Euler" <herberteuler@hotmail.com>
>>CC: emacs-devel@gnu.org
>>Subject: Re: Macro vs Function
>>Date: Wed, 12 Apr 2006 14:19:24 +0200
>>
>>By not mixing up what you do when?
>>
>>(defmacro xgp-casi2-safe-call-iter (func largs)
>> (if largs
>> `(condition-case nil
>> (apply ,func ,(car largs))
>> (error (xgp-casi2-safe-call-iter ,func ,(cdr largs))))
>> 'nil))
>
> Hmm... The correct one should be:
>
> (defmacro xgp-casi2-safe-call-iter (func largs)
> (if largs
> `(condition-case nil
> (apply ,func ,((lambda (a) `(quote ,(car a))) largs))
> (error (xgp-casi2-safe-call-iter ,func ,(cdr largs))))
> 'nil))
>
> Only ,(car largs) is not sufficient.
Oh good grief. What _are_ you trying to accomplish? What you wrote
above is a complete and utter contorted mess.
So please come up with an actual _example_ of what you intend the
stuff to do. I'd be surprised if my proposal would not be closer to
doing the intended thing than what you wrote.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
next prev parent reply other threads:[~2006-04-12 13:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-12 8:22 Macro vs Function Herbert Euler
2006-04-12 9:07 ` David Kastrup
2006-04-12 9:17 ` Herbert Euler
2006-04-12 9:24 ` David Kastrup
2006-04-12 9:39 ` Herbert Euler
2006-04-12 9:53 ` David Kastrup
2006-04-12 10:39 ` Herbert Euler
2006-04-12 11:14 ` Andreas Schwab
2006-04-12 11:56 ` Herbert Euler
2006-04-12 12:08 ` Herbert Euler
2006-04-12 12:19 ` David Kastrup
2006-04-12 13:37 ` Herbert Euler
2006-04-12 13:52 ` David Kastrup [this message]
2006-04-12 15:13 ` Herbert Euler
2006-04-12 15:26 ` Stuart D. Herring
2006-04-12 15:54 ` Herbert Euler
2006-04-12 15:29 ` David Kastrup
2006-04-12 15:56 ` Herbert Euler
2006-04-12 16:14 ` Herbert Euler
2006-04-12 16:59 ` David Kastrup
2006-04-13 2:17 ` Herbert Euler
2006-04-12 12:12 ` David Kastrup
2006-04-12 11:19 ` David Kastrup
-- strict thread matches above, loose matches on Subject: below --
2006-04-12 12:05 Herbert Euler
2006-04-12 12:13 ` David Kastrup
2006-04-12 12:17 ` Herbert Euler
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