fn:duplicate-values

Returns the values that appear in a sequence more than once.

duplicate-values($values as xs:anyAtomicType*, $collation as xs:string?:=fn:default-collation()) ➔ xs:anyAtomicType*

Arguments

 

$values

xs:anyAtomicType*

The input sequence

 

$collation

xs:string?

:= fn:default-collation()

The collation used for comparing strings

Result

xs:anyAtomicType*

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 4.0 Functions and Operators

Saxon availability

Available in XPath 4.0, XSLT 4.0, and XQuery 4.0. Requires Saxon-PE or Saxon-EE. Implemented since Saxon 13. Available for all platforms.