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. 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.