Subject: Re: [xsl] Push Processing From: Vyacheslav Sedov <vyacheslav.sedov@xxxxxxxxx> Date: Tue, 3 Mar 2009 23:32:53 +0300 |
what about this case? <xsl:variable name="ttt" as="element()"><ttt/></xsl:variable> <xsl:template match="/*"> <xsl:apply-templates select="(ttt, $ttt)[1]"></xsl:apply-templates> </xsl:template> On Mon, Mar 2, 2009 at 8:07 PM, Michael Kay <mike@xxxxxxxxxxxx> wrote: >> Also, is there any real advantage to specifying >> as="element()" other then readability/documentation? You've >> recently discussed the advantages of doing this for >> non-element data types (e.g. numeric functions). Are there >> similar advantages for element()? >> > > It's always a good idea to declare your parameter type. > > (a) readability/documentation is a worthwhile end in itself > > (b) if your code is wrong, you will typically get error messages that are > close to the point of failure (rather than just wrong or blank output) > > (c) it gives the compiler extra information to work with, which can > sometimes make a big difference to the optimizability of the code. > > Michael Kay > http://www.saxonica.com/
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