| (: Name: annex-1 :) | |
| (: Description: User defined function # 1 from annex E of F& O Specs. :) | |
| declare namespace eg = "http://example.org"; | |
| declare function eg:if-empty ( | |
| $node as node()?, | |
| $value as xs:anyAtomicType) as xs:anyAtomicType* | |
| { | |
| if ($node and $node/child::node()) | |
| then fn:data($node) | |
| else $value | |
| }; | |
| let $arg1 := <element1>some data</element1> | |
| let $arg2 as xs:anyAtomicType := 1 | |
| return | |
| eg:if-empty($arg1,$arg2) |