fn:function-arity
Returns the arity of the function identified by a function item.
function-arity($func as function(*)) ➔ xs:integer
Arguments | |||
| $func | function(*) | The function item whose arity is required |
Result | xs:integer | ||
Namespace
http://www.w3.org/2005/xpath-functions
Links to W3C specifications
XPath 3.1 Functions and Operators
Notes on the Saxon implementation
Available since Saxon 9.3, provided XPath 3.0 is enabled.