fn:transitive-closure

Returns all the GNodes reachable from a given start GNode by applying a supplied function repeatedly.

transitive-closure($node as gnode()?, $step as fn(gnode()) as gnode()*) ➔ gnode()*

Arguments
	$node	gnode()?		The input GNode
	$step	fn(gnode()) as gnode()*		The step function used to navigate to other GNodes
Result		gnode()*

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.