RDF.Star.Statement.valid-question-mark
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valid-question-mark
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Specs
valid?(RDF.Star.Triple.t() | RDF.Star.Quad.t() | any()) :: boolean()
Checks if the given tuple is a valid RDF-star statement, i.e. RDF-star triple or quad.
The elements of a valid RDF-star statement must be RDF terms. On the subject position only IRIs, blank nodes and triples allowed, while on the predicate and graph context position only IRIs allowed. The object position can be any RDF term or a triple.