map:keys

Returns the set of keys found in an input map, in arbitrary order.

keys($map as map(*)) ➔ xs:anyAtomicType*

Arguments
	$map	map(*)	The map whose keys are required
Result		xs:anyAtomicType*

Namespace

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

Links to W3C specifications

XPath 3.1 Functions and Operators

XSLT 3.0 Specification

Notes on the Saxon implementation

Available as defined in XSLT 3.0 since Saxon 9.4; in XSLT, XPath, and XQuery, whether or not 3.0 is available.

XPath 3.1 version implemented since Saxon 9.7.