fn:all-different

Returns true if no two items in the supplied sequence are equal.

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

Arguments
	$values	xs:anyAtomicType*		The input sequence
	$collation	xs:string?	:= fn:default-collation()	The collation used for comparing strings
Result		xs:boolean

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, provided that 4.0 features are enabled (see Enabling 4.0 features). Requires Saxon-PE or Saxon-EE. Implemented since Saxon 12. Available for all platforms.

Notes on the Saxon implementation

Available since Saxon 13 in XPath 4.0. Available since Saxon 12.0 provided that syntax extensions are enabled.