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is there an existing negate function ?
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From: |
Mike Mattie |
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Subject: |
is there an existing negate function ? |
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Date: |
Mon, 9 Mar 2009 16:38:40 -0700 |
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User-agent: |
Mutt/1.5.16 (2007-06-09) |
is there an existing negate function ? something like this
that I have no found ?
(defun negate ( value )
"negate VALUE
Invert the boolean sense of VALUE
0 -> 1
1 -> 0
"
(if value
nil
t))
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- is there an existing negate function ?,
Mike Mattie <=