array:fold-left

Evaluates the supplied function cumulatively on successive values of the supplied array.

fold-left($array as array(*), $zero as item()*, $function as function(item()*, item()*) as item()*) ➔ item()*

Arguments
	$array	array(*)	The input array
	$zero	item()*	The zero for the function
	$function	function(item(), item()) as item()*	The function to be applied to each member of the input array
Result		item()*

Namespace

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

Links to W3C specifications

XPath 3.1 Functions and Operators

Saxon availability

Available in XPath 3.1, XSLT 3.0, and XQuery 3.1. From Saxon 10, available in all editions. Implemented in Saxon-PE and Saxon-EE since Saxon 9.7. Available for all platforms.

Notes on the Saxon implementation

Available in Saxon-HE from Saxon 10; in Saxon-PE/EE since 9.7.