Quad

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

Struct Quad 

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

A RDF triple in an RDF dataset.

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

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

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()
);

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§subject: NamedOrBlankNode§predicate: NamedNode§object: Term§graph_name: GraphName

Trait Implementations§

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impl Clone for Quad

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fn clone(&self) -> Quad

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 Quad

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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 Quad

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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 Quad

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

Feeds this value into the given Hasher. Read more
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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 Quad

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

Tests for self and other values to be equal, and is used by ==.
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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 TryFrom<QuadPattern> for Quad

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type Error = ()

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

Performs the conversion.
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impl Eq for Quad

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impl StructuralPartialEq for Quad

Auto Trait Implementations§

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impl Freeze for Quad

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impl RefUnwindSafe for Quad

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impl Send for Quad

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impl Sync for Quad

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impl Unpin for Quad

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impl UnwindSafe for Quad

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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where T: Any + Send,

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fn into_any_send(self: Box<T>) -> Box<dyn Any + Send>

Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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