Struct oxrdf::Quad

pub struct Quad {
    pub subject: Subject,
    pub predicate: NamedNode,
    pub object: Term,
    pub graph_name: GraphName,
}

An owned triple in an RDF dataset.

The default string formatter is returning an N-Quads compatible representation:

use oxrdf::{Quad, NamedNode};

assert_eq!(
    "<http://example.com/s> <http://example.com/p> <http://example.com/o> <http://example.com/g>",
    Quad {
        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: Subject

The subject of this triple.

predicate: NamedNode

The predicate of this triple.

object: Term

The object of this triple.

graph_name: GraphName

The name of the RDF graph in which the triple is.

Implementations

impl Quad

pub fn new( subject: impl Into<Subject>, predicate: impl Into<NamedNode>, object: impl Into<Term>, graph_name: impl Into<GraphName> ) -> Self

Builds an RDF triple in an RDF dataset.

pub fn as_ref(&self) -> QuadRef<'_>

Trait Implementations

impl Clone for Quad

fn clone(&self) -> Quad

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Quad

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

Formats the value using the given formatter.

impl Display for Quad

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

Formats the value using the given formatter.

impl Extend<Quad> for Dataset

fn extend<I: IntoIterator<Item = Quad>>(&mut self, iter: I)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements.

impl<'a> From<&'a Quad> for QuadRef<'a>

fn from(quad: &'a Quad) -> Self

Converts to this type from the input type.

impl From<Quad> for Triple

fn from(quad: Quad) -> Self

Converts to this type from the input type.

impl<'a> From<QuadRef<'a>> for Quad

fn from(quad: QuadRef<'a>) -> Self

Converts to this type from the input type.

impl FromIterator<Quad> for Dataset

fn from_iter<I: IntoIterator<Item = Quad>>(iter: I) -> Self

Creates a value from an iterator.

impl Hash for Quad

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl PartialEq<Quad> for Quad

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Quad

impl StructuralEq for Quad

impl StructuralPartialEq for Quad