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. 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.