
sem:invalid( $string as xs:string, $datatype as sem:iri ) as sem:invalid
  Returns a sem:invalid value with the given literal value and 
  datatype IRI. The sem:invalid type extends xs:untypedAtomic,
  and represents an RDF value whose literal string is invalid according to the 
  schema for it's datatype.
  
This function is a built-in.
| Parameters | |
|---|---|
| string | The lexical value. | 
| datatype | The datatype IRI. | 
xdmp:describe(sem:invalid("invalid value", sem:iri("string")))
=>
sem:invalid("invalid value", sem:iri("string"))
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