RDF.Literal.Datatype.valid-question-mark
You're seeing just the callback
valid-question-mark
, go back to RDF.Literal.Datatype module for more information.
Specs
valid?(RDF.Literal.t() | literal() | any()) :: boolean()
Determines if a RDF.Literal
has a proper value of the value space of its datatype.
This function also accepts literals of derived datatypes.