NetBeansв„ў IDE Field Guide: Developing Desktop, Web, Enterprise, and Mobile Applications (2nd Edition)
The empty() function returns true if and only if the argument is an empty sequence. For example, the expression «empty(//a) » returns true if the context document contains no <a> elements.
| Argument | Data Type | Meaning |
|---|---|---|
| sequence | Item()* | The input sequence |
| Result | xs:boolean | true if the input sequence is empty, otherwise false |
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