fn:function-available
Whether a function is supported
Description
The fn:function-available function returns a boolean value indicating whether an implementation supports a particular function. All implementations support the built-in functions, but they may also support extension functions. Note: this is an XSLT-only function; it is not available in XQuery or XPath.
Arguments and Return Type
| Name | Type |
|---|---|
$function-name |
xs:string |
$arity |
xs:integer |
| return value | xs:boolean |
Examples
| XSLT Example | Results | |
|---|---|---|
| See the example from the XSLT 2.0 recommendation. | ||
History
| Published On | Last Updated | Contributor(s) |
|---|---|---|
| 2007-03-17 | 2007-03-17 | W3C, XSLT 2.0, http://www.w3.org/TR/xslt20/ |
Recommended Reading:
