RDF.XSD.Datatype.derived_from-question-mark
You're seeing just the callback
derived_from-question-mark
, go back to RDF.XSD.Datatype module for more information.
Specs
Checks if the RDF.XSD.Datatype
is directly or indirectly derived from the given RDF.XSD.Datatype
.
Note that this is just a basic datatype reflection function on the module level
and does not work with RDF.Literal
s. See RDF.Literal.Datatype.datatype?/1
instead.