distinct-values

Returns the set of distinct values present in a given sequence.

distinct-values($arg as xs:anyAtomicType*) ➔ xs:anyAtomicType*

Arguments
	$arg	xs:anyAtomicType*	The sequence to be de-duplicated
Result		xs:anyAtomicType*

distinct-values($arg as xs:anyAtomicType*, $collation as xs:string) ➔ xs:anyAtomicType*

Arguments
	$arg	xs:anyAtomicType*	The sequence to be de-duplicated
	$collation	xs:string	The collation used for comparing strings
Result		xs:anyAtomicType*

Links to W3C specifications

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

Applies to: XPath 2.0, XSLT 2.0, XQuery 1.0 and later versions

XPath 2.0 Functions and Operators

XPath 3.0 Functions and Operators

Notes on the Saxon implementation

The current Saxon implementation returns the values in "order of first appearance", but it cannot be assumed that this will always remain the case.