Re: [xsl] XSLT repetition constructs

Subject: Re: [xsl] XSLT repetition constructs
From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 8 Mar 2019 09:52:52 -0000
> I came up with following as well, which works (though may be inefficient)
> <xsl:variable name="inpValues" select="(1,2,3,4)" as="xs:integer*"/>
> fold-left($inpValues, (), function($a, $b) {$a, sum(for $idx in 1 to
count($a) return $inpValues[$idx]) + $b})

Yes, that's O(n^2), and if an O(n^2) solution is acceptable then you can do it
more simply without a fold() using

$inpValues ! sum(subsequence($inpValues, 1, position()))

Michael Kay

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