fn:identity

Returns the value of the argument, unchanged. Useful in situations where a function must be supplied, but the desired action is to do nothing.

identity($input as item()*) ➔ item()*

Arguments
	$input	item()*		The input sequence
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 11. Available for all platforms.

Notes on the Saxon implementation

Available since Saxon 13 in XPath 4.0. Available since Saxon 11 provided that syntax extensions are enabled.