Subject: [xsl] Functions as data types with XSLT 2.0 (was: [xsl] Functional program for "list sum") From: Mukul Gandhi <mukul_gandhi@xxxxxxxxx> Date: Wed, 8 Jun 2005 23:49:08 -0700 (PDT) |
I wish to know, is it possible to treat functions as first class data types with XSLT 2.0 .. Regards, Mukul --- Mukul Gandhi <mukul_gandhi@xxxxxxxxx> wrote: > I am trying to implement a "integer sum" function in > a > functional manner .. My stylesheet so far is - > > <?xml version="1.0"?> > <xsl:stylesheet > xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > > xmlns:xs="http://www.w3.org/2001/XMLSchema" > xmlns:fn="http://whatever" > version="1.0"> > > <xsl:output method="text" /> > > <xsl:template match="/"> > <xsl:variable name="result" > select="fn:listSum(null,(1,2,3))" /> > <xsl:value-of select="$result" /> > </xsl:template> > > <xsl:function name="fn:listSum" as="xs:integer"> > <xsl:param name="num" as="xs:integer" /> > <xsl:param name="list" as="xs:integer+" /> > <xsl:sequence > select="fn:listSum($num,$list[position() > 1])" > /> > </xsl:function> > > </xsl:stylesheet> > > But I am getting following error with Saxon 8.4 .. > > "Warning: Running an XSLT 1.0 stylesheet with an > XSLT > 2.0 processor > Error on line 10 of file:/C:/xml/xsleg/xslt/fp.xsl: > XPTY0004: An empty sequence is not allowed as the > first argument of fn:listSum > () > Transformation failed: Run-time errors were > reported" > .. > > Can someone please help me ..? > > Regards, > Mukul > > > > __________________________________ > Discover Yahoo! > Have fun online with music videos, cool games, IM > and more. Check it out! > http://discover.yahoo.com/online.html > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
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