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Re: Macro vs Function
From: |
David Kastrup |
Subject: |
Re: Macro vs Function |
Date: |
Wed, 12 Apr 2006 17:29:40 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
"Herbert Euler" <address@hidden> writes:
> What I'm trying to do can be found at
>
> http://lists.gnu.org/archive/html/help-gnu-emacs/2006-04/msg00185.html
>
> The reason why ,(car largs) is not sufficient is that 'apply' requires
> a list as the last argument. While I call 'xgp-casi2-safe-call-iter' with
>
> (xgp-casi2-safe-call-iter '+ ((1 2 a) (3 4)))
>
> (car largs) is (1 2 a), which it's not a list when evaluating
>
> (apply '+ (1 2 a))
>
> (I've modified xgp-casi2-safe-call but it's not accessible now. I'll
> post it when
> it's accessible.)
Why are you bothering with "apply" in the first place? It does not
look like you have any need for it. Just write
(defmacro xgp-casi2-safe-call-iter (func largs)
(and largs
`(condition-case nil
(,func ,@(car largs))
(error (xgp-casi2-safe-call-iter ,func ,(cdr largs))))))
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
- Re: Macro vs Function, (continued)
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, Andreas Schwab, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, David Kastrup, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, David Kastrup, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, Stuart D. Herring, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function,
David Kastrup <=
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, David Kastrup, 2006/04/12
- Re: Macro vs Function, Herbert Euler, 2006/04/12
- Re: Macro vs Function, David Kastrup, 2006/04/12
- Re: Macro vs Function, David Kastrup, 2006/04/12
Re: Macro vs Function, Herbert Euler, 2006/04/12