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Re: (list) and '(list)
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From: |
Pascal Bourguignon |
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Subject: |
Re: (list) and '(list) |
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Date: |
Fri, 27 Apr 2007 13:05:56 +0200 |
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User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.91 (gnu/linux) |
Kai Grossjohann <kai@emptydomain.de> writes:
> For example, to reverse the condition of `if' (proof of concept only,
> not production code):
>
> (defmacro ifnot (test no yes)
> (if (not test) no yes))
(defmacro ifnot (test no yes)
`(if (not ,test) ,no ,yes))
or better:
(defmacro ifnot (test no yes)
`(if ,test ,yes ,no)) ; ...
--
__Pascal Bourguignon__ http://www.informatimago.com/
This is a signature virus. Add me to your signature and help me to live.
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Pascal Bourguignon <=
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