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(_at_)yahoo(_dot_)com> 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
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