fn:every

Returns true if every item in the input sequence satisfies a supplied predicate.

every($input as item()*, $predicate as (fn(item(), xs:integer) as xs:boolean?)?:=fn:boolean#1) ➔ xs:boolean

Arguments
	$input	item()*		The input sequence
	$predicate	(fn(item(), xs:integer) as xs:boolean?)?	:= fn:boolean#1	The predicate function
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 12.4 provided that syntax extensions are enabled, and since Saxon 11 under the previous name fn:all.