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. Requires Saxon-PE or Saxon-EE. Implemented since Saxon 13. Available for all platforms.