fn:take-while

Returns items from the input sequence prior to the first one that fails to satisfy a supplied predicate.

take-while($input as item()*, $predicate as fn(item(), xs:integer) as xs:boolean?) ➔ item()*

Arguments
	$input	item()*		The input sequence
	$predicate	fn(item(), xs:integer) as xs:boolean?		The predicate function
Result		item()*

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 13. Available for all platforms.