RDF.resource-question-mark

You're seeing just the function resource-question-mark, go back to RDF module for more information.

Checks if the given value is a RDF resource.

Examples

Supposed EX is a RDF.Vocabulary.Namespace and Foo is not.

iex> RDF.resource?(RDF.iri("http://example.com/resource"))
true
iex> RDF.resource?(EX.resource)
true
iex> RDF.resource?(EX.Resource)
true
iex> RDF.resource?(Foo.Resource)
false
iex> RDF.resource?(RDF.bnode)
true
iex> RDF.resource?(RDF.XSD.integer(42))
false
iex> RDF.resource?(42)
false