Struct Quad 

pub struct Quad<S = Term, P = S, O = S, G = S>(pub S, pub P, pub O, pub Option<G>);

RDF quad.

Tuple Fields

0: S

1: P

2: O

3: Option<G>

Implementations

impl<I, B, L> Quad<Id<I, B>, I, Term<Id<I, B>, L>>

pub fn into_grdf(self) -> Quad<Term<Id<I, B>, L>>

impl<S, P, O, G> Quad<S, P, O, G>

pub fn borrow_components(&self) -> Quad<&S, &P, &O, &G>

👎Deprecated since 0.18.4: please use as_ref instead

pub fn as_ref(&self) -> Quad<&S, &P, &O, &G>

Borrows each component of the quad.

impl<S, P, O, G> Quad<&S, &P, &O, &G>

pub fn cloned(&self) -> Quad<S, P, O, G>

where S: Clone, P: Clone, O: Clone, G: Clone,

pub fn into_cloned(self) -> Quad<S, P, O, G>

where S: Clone, P: Clone, O: Clone, G: Clone,

impl<S, P, O, G> Quad<&S, &P, &O, &G>

pub fn copied(&self) -> Quad<S, P, O, G>

where S: Copy, P: Copy, O: Copy, G: Copy,

pub fn into_copied(self) -> Quad<S, P, O, G>

where S: Copy, P: Copy, O: Copy, G: Copy,

impl Quad<Id, IriBuf, Term>

pub fn as_lexical_quad_ref( &self, ) -> Quad<Id<&Iri, &BlankId>, &Iri, Term<Id<&Iri, &BlankId>, &Literal>>

impl Quad<Id<&Iri, &BlankId>, &Iri, Term<Id<&Iri, &BlankId>, &Literal>>

pub fn into_owned(self) -> Quad<Id, IriBuf, Term>

impl<S, P, O, G> Quad<S, P, O, G>

pub fn new( subject: S, predicate: P, object: O, graph: Option<G>, ) -> Quad<S, P, O, G>

Creates a new quad.

pub fn subject(&self) -> &S

Returns a reference to the subject of the quad, the first component.

pub fn subject_mut(&mut self) -> &mut S

Returns a mutable reference to the subject of the quad, the first component.

pub fn into_subject(self) -> S

Turns the quad into its subject, the first component.

pub fn predicate(&self) -> &P

Returns a reference to the predicate of the quad, the second component.

pub fn predicate_mut(&mut self) -> &mut P

Returns a mutable reference to the predicate of the quad, the second component.

pub fn into_predicate(self) -> P

Turns the quad into its predicate, the second component.

pub fn object(&self) -> &O

Returns a reference to the object of the quad, the third component.

pub fn object_mut(&mut self) -> &mut O

Returns a mutable reference to the object of the quad, the third component.

pub fn into_object(self) -> O

Turns the quad into its object, the third component.

pub fn graph(&self) -> Option<&G>

Returns a reference to the graph of the quad, the fourth component.

pub fn graph_mut(&mut self) -> Option<&mut G>

Returns a mutable reference to the graph of the quad, the fourth component.

pub fn into_graph(self) -> Option<G>

Turns the quad into its graph, the fourth component.

pub fn into_parts(self) -> (S, P, O, Option<G>)

pub fn into_triple(self) -> (Triple<S, P, O>, Option<G>)

Turns this quad into a triple and its graph component.

pub fn map_subject<U>(self, f: impl FnOnce(S) -> U) -> Quad<U, P, O, G>

Maps the subject with the given function.

pub fn map_predicate<U>(self, f: impl FnOnce(P) -> U) -> Quad<S, U, O, G>

Maps the subject with the given function.

pub fn map_object<U>(self, f: impl FnOnce(O) -> U) -> Quad<S, P, U, G>

Maps the subject with the given function.

pub fn map_graph<U>( self, f: impl FnOnce(Option<G>) -> Option<U>, ) -> Quad<S, P, O, U>

Maps the graph with the given function.

pub fn map_all<S2, P2, O2, G2>( self, s: impl FnOnce(S) -> S2, p: impl FnOnce(P) -> P2, o: impl FnOnce(O) -> O2, g: impl FnOnce(Option<G>) -> Option<G2>, ) -> Quad<S2, P2, O2, G2>

Maps every quad component with the given functions, one for each component.

impl<T> Quad<T>

pub fn map<U>(self, f: impl FnMut(T) -> U) -> Quad<U>

Maps the components with the given function.

Trait Implementations

impl<'a> BlankNodeComponents<'a> for Quad<Id<&'a Iri, &'a BlankId>, &'a Iri, Term<Id<&'a Iri, &'a BlankId>, &'a Literal>>

fn blank_node_components(&self) -> Vec<&'a BlankId>

fn blank_node_components_with_position( &self, ) -> Vec<(&'a BlankId, BlankIdPosition)>

impl BlankNodeComponentsMut for Quad<Id, IriBuf, Term>

fn blank_node_components_mut(&mut self) -> Vec<&mut BlankIdBuf>

impl<S, P, O, G> Clone for Quad<S, P, O, G>

where S: Clone, P: Clone, O: Clone, G: Clone,

fn clone(&self) -> Quad<S, P, O, G>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<S, P, O, G> Debug for Quad<S, P, O, G>

where S: Debug, P: Debug, O: Debug, G: Debug,

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

Formats the value using the given formatter.

impl<S, P, O, G> Display for Quad<S, P, O, G>

where S: RdfDisplay, P: RdfDisplay, O: RdfDisplay, G: RdfDisplay,

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

Formats the value using the given formatter.

impl<S, P, O, G, V> DisplayWithContext<V> for Quad<S, P, O, G>

where S: RdfDisplayWithContext<V>, P: RdfDisplayWithContext<V>, O: RdfDisplayWithContext<V>, G: RdfDisplayWithContext<V>,

Available on crate feature contextual only.

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

impl<V, S, P, O, G> EmbedIntoVocabulary<V> for Quad<S, P, O, G>

where S: EmbedIntoVocabulary<V>, P: EmbedIntoVocabulary<V>, O: EmbedIntoVocabulary<V>, G: EmbedIntoVocabulary<V>,

type Embedded = Quad<<S as EmbedIntoVocabulary<V>>::Embedded, <P as EmbedIntoVocabulary<V>>::Embedded, <O as EmbedIntoVocabulary<V>>::Embedded, <G as EmbedIntoVocabulary<V>>::Embedded>

Type of the value once embedded into the vocabulary.

fn embed_into_vocabulary( self, vocabulary: &mut V, ) -> <Quad<S, P, O, G> as EmbedIntoVocabulary<V>>::Embedded

impl<V, S, P, O, G> EmbeddedIntoVocabulary<V> for Quad<S, P, O, G>

where S: EmbeddedIntoVocabulary<V>, P: EmbeddedIntoVocabulary<V>, O: EmbeddedIntoVocabulary<V>, G: EmbeddedIntoVocabulary<V>,

type Embedded = Quad<<S as EmbeddedIntoVocabulary<V>>::Embedded, <P as EmbeddedIntoVocabulary<V>>::Embedded, <O as EmbeddedIntoVocabulary<V>>::Embedded, <G as EmbeddedIntoVocabulary<V>>::Embedded>

fn embedded_into_vocabulary( &self, vocabulary: &mut V, ) -> <Quad<S, P, O, G> as EmbeddedIntoVocabulary<V>>::Embedded

impl<R> Extend<Quad<R>> for BTreeDataset<R>

where R: Clone + Ord,

fn extend<T>(&mut self, iter: T)

where T: IntoIterator<Item = Quad<R>>,

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<R> Extend<Quad<R>> for IndexedBTreeDataset<R>

where R: Clone + Ord,

fn extend<T>(&mut self, iter: T)

where T: IntoIterator<Item = Quad<R>>,

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<V, S, P, O, G> ExtractFromVocabulary<V> for Quad<S, P, O, G>

where S: ExtractFromVocabulary<V>, P: ExtractFromVocabulary<V>, O: ExtractFromVocabulary<V>, G: ExtractFromVocabulary<V>,

type Extracted = Quad<<S as ExtractFromVocabulary<V>>::Extracted, <P as ExtractFromVocabulary<V>>::Extracted, <O as ExtractFromVocabulary<V>>::Extracted, <G as ExtractFromVocabulary<V>>::Extracted>

fn extract_from_vocabulary( self, vocabulary: &V, ) -> <Quad<S, P, O, G> as ExtractFromVocabulary<V>>::Extracted

impl<V, S, P, O, G> ExtractedFromVocabulary<V> for Quad<S, P, O, G>

where S: ExtractedFromVocabulary<V>, P: ExtractedFromVocabulary<V>, O: ExtractedFromVocabulary<V>, G: ExtractedFromVocabulary<V>,

type Extracted = Quad<<S as ExtractedFromVocabulary<V>>::Extracted, <P as ExtractedFromVocabulary<V>>::Extracted, <O as ExtractedFromVocabulary<V>>::Extracted, <G as ExtractedFromVocabulary<V>>::Extracted>

fn extracted_from_vocabulary( &self, vocabulary: &V, ) -> <Quad<S, P, O, G> as ExtractedFromVocabulary<V>>::Extracted

Exports a value embedded into the vocabulary V.

impl<T> From<Quad<Option<T>>> for CanonicalQuadPattern<T>

fn from(value: Quad<Option<T>>) -> CanonicalQuadPattern<T>

Converts to this type from the input type.

impl<T, X> From<Quad<ResourceOrVar<T, X>>> for CanonicalQuadPattern<T>

where X: PartialEq,

fn from(value: Quad<ResourceOrVar<T, X>>) -> CanonicalQuadPattern<T>

Converts to this type from the input type.

impl<T> From<Quad<T>> for CanonicalQuadPattern<T>

fn from(value: Quad<T>) -> CanonicalQuadPattern<T>

Converts to this type from the input type.

impl<R> FromIterator<Quad<R>> for BTreeDataset<R>

where R: Clone + Ord,

fn from_iter<T>(iter: T) -> BTreeDataset<R>

where T: IntoIterator<Item = Quad<R>>,

Creates a value from an iterator.

impl<R> FromIterator<Quad<R>> for IndexedBTreeDataset<R>

where R: Clone + Ord,

fn from_iter<T>(iter: T) -> IndexedBTreeDataset<R>

where T: IntoIterator<Item = Quad<R>>,

Creates a value from an iterator.

impl<S, P, O, G> Hash for Quad<S, P, O, G>

where S: Hash, P: Hash, O: Hash, G: Hash,

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

where __H: Hasher,

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<S, P, O, G, I> Interpret<I> for Quad<S, P, O, G>

where S: Interpret<I>, P: Interpret<I>, O: Interpret<I>, G: Interpret<I>, I: Interpretation,

type Interpreted = Quad<<S as Interpret<I>>::Interpreted, <P as Interpret<I>>::Interpreted, <O as Interpret<I>>::Interpreted, <G as Interpret<I>>::Interpreted>

Interpreted form.

fn interpret( self, interpretation: &mut I, ) -> <Quad<S, P, O, G> as Interpret<I>>::Interpreted

Interpret the given resource.

impl<S, P, O, G> Ord for Quad<S, P, O, G>

where S: Ord, P: Ord, O: Ord, G: Ord,

fn cmp(&self, other: &Quad<S, P, O, G>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<S1, P1, O1, G1, S2, P2, O2, G2> PartialEq<Quad<S2, P2, O2, G2>> for Quad<S1, P1, O1, G1>

where S1: PartialEq<S2>, P1: PartialEq<P2>, O1: PartialEq<O2>, G1: PartialEq<G2>,

fn eq(&self, other: &Quad<S2, P2, O2, G2>) -> bool

Tests for self and other values to be equal, and is used by ==.

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

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

impl<S1, P1, O1, G1, S2, P2, O2, G2> PartialOrd<Quad<S2, P2, O2, G2>> for Quad<S1, P1, O1, G1>

where S1: PartialOrd<S2>, P1: PartialOrd<P2>, O1: PartialOrd<O2>, G1: PartialOrd<G2>,

fn partial_cmp(&self, other: &Quad<S2, P2, O2, G2>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<S, P, O, G> RdfDisplay for Quad<S, P, O, G>

where S: RdfDisplay, P: RdfDisplay, O: RdfDisplay, G: RdfDisplay,

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

Formats the value using the given formatter.

fn rdf_display(&self) -> RdfDisplayed<&Self>

Prepare the value to be formatted as an RDF syntax element.

impl<S, P, O, G, V> RdfDisplayWithContext<V> for Quad<S, P, O, G>

where S: RdfDisplayWithContext<V>, P: RdfDisplayWithContext<V>, O: RdfDisplayWithContext<V>, G: RdfDisplayWithContext<V>,

Available on crate feature contextual only.

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

impl<V, S, P, O, G> TryExtractFromVocabulary<V> for Quad<S, P, O, G>

where S: TryExtractFromVocabulary<V>, P: TryExtractFromVocabulary<V>, O: TryExtractFromVocabulary<V>, G: TryExtractFromVocabulary<V>,

type Extracted = Quad<<S as TryExtractFromVocabulary<V>>::Extracted, <P as TryExtractFromVocabulary<V>>::Extracted, <O as TryExtractFromVocabulary<V>>::Extracted, <G as TryExtractFromVocabulary<V>>::Extracted>

type Error = QuadExportFailed<<S as TryExtractFromVocabulary<V>>::Error, <P as TryExtractFromVocabulary<V>>::Error, <O as TryExtractFromVocabulary<V>>::Error, <G as TryExtractFromVocabulary<V>>::Error>

fn try_extract_from_vocabulary( self, vocabulary: &V, ) -> Result<<Quad<S, P, O, G> as TryExtractFromVocabulary<V>>::Extracted, <Quad<S, P, O, G> as TryExtractFromVocabulary<V>>::Error>

impl<S, P, O, G> Copy for Quad<S, P, O, G>

where S: Copy, P: Copy, O: Copy, G: Copy,

impl<S, P, O, G> Eq for Quad<S, P, O, G>

where S: Eq, P: Eq, O: Eq, G: Eq,