Subject: RE: Performance versus legibility
From: Kay Michael <Michael.Kay@xxxxxxx>
Date: Fri, 24 Nov 2000 14:59:02 -0000
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> not(string(.)) string-length(.)=0
> not(x) count(x)=0
> not(x=y) x!=y
>
>
> I always use the expressions in the second column for
> maintainability, but I
> guess the items in the first column are faster. Is my
> assumption correct?
In the case of Saxon, yes. But note that not(x=y) and x!=y are not
equivalent.
(And note not that they are equivalent!)
Mike Kay
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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