GroundQuad

flams_math_archives::triple_store::sparql::spargebra::term

Struct GroundQuad 

pub struct GroundQuad {
    pub subject: NamedNode,
    pub predicate: NamedNode,
    pub object: GroundTerm,
    pub graph_name: GraphName,
}
Available on crate feature rdf only.
Expand description

A RDF triple in an RDF dataset without blank nodes.

The default string formatter is returning a N-Quads representation.

use spargebra::term::{NamedNode, GroundQuad};

assert_eq!(
    "<http://example.com/s> <http://example.com/p> <http://example.com/o> <http://example.com/g>",
    GroundQuad {
        subject: NamedNode::new("http://example.com/s")?.into(),
        predicate: NamedNode::new("http://example.com/p")?,
        object: NamedNode::new("http://example.com/o")?.into(),
        graph_name: NamedNode::new("http://example.com/g")?.into(),
    }.to_string()
);

Fields§

§subject: NamedNode§predicate: NamedNode§object: GroundTerm§graph_name: GraphName

Trait Implementations§

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impl Clone for GroundQuad

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fn clone(&self) -> GroundQuad

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for GroundQuad

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Display for GroundQuad

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Hash for GroundQuad

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for GroundQuad

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fn eq(&self, other: &GroundQuad) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<Quad> for GroundQuad

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from( quad: Quad, ) -> Result<GroundQuad, <GroundQuad as TryFrom<Quad>>::Error>

Performs the conversion.
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impl Eq for GroundQuad

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impl StructuralPartialEq for GroundQuad

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