
rdf:langString-language( $val as rdf:langString ) as xs:string
  Returns the language of an rdf:langString 
   value.
  
  
This function is a built-in.
| Parameters | |
|---|---|
| val | The rdf:langString value. | 
rdf:langString-language(rdf:langString("http://foo/bar", "en"))
=> en