array:index-where
Returns the positions in an input array of members that match a supplied predicate.
index-where($array as array(*), $predicate as fn(item()*, xs:integer) as xs:boolean?) ➔ xs:integer*
Arguments | ||||
| $array | array(*) | The input array | |
| $predicate | fn(item()*, xs:integer) as xs:boolean? | The predicate function | |
Result | xs:integer* | |||
Namespace
http://www.w3.org/2005/xpath-functions/array
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.