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use oxrdf::{QuadRef, TermRef, TripleRef};
pub mod result_format;
pub fn count_triple_blank_nodes(triple: TripleRef<'_>) -> usize {
usize::from(triple.subject.is_blank_node())
+ match &triple.object {
TermRef::BlankNode(_) => 1,
TermRef::Triple(t) => count_triple_blank_nodes(t.as_ref()),
_ => 0,
}
}
pub fn count_quad_blank_nodes(quad: QuadRef<'_>) -> usize {
usize::from(quad.subject.is_blank_node())
+ match &quad.object {
TermRef::BlankNode(_) => 1,
TermRef::Triple(t) => count_triple_blank_nodes(t.as_ref()),
_ => 0,
}
+ usize::from(quad.graph_name.is_blank_node())
}
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