Trait rdftk_core::model::statement::SubjectNode

pub trait SubjectNode: Debug + Provided {
    fn as_blank(&self) -> Option<&String>;
    fn as_iri(&self) -> Option<&IRIRef>;
    fn as_statement(&self) -> Option<&StatementRef>;

    fn is_blank(&self) -> bool { ... }
    fn is_iri(&self) -> bool { ... }
    fn is_statement(&self) -> bool { ... }
}

Required methods

fn as_blank(&self) -> Option<&String>

Return a blank node string, if self.is_blank(), else None.

fn as_iri(&self) -> Option<&IRIRef>

Return a named node IRI, if self.is_iri(), else None.

fn as_statement(&self) -> Option<&StatementRef>

Return a statement reference, if self.is_statement(), else None.

Provided methods

fn is_blank(&self) -> bool

Return true if this subject is a blank node, else false.

fn is_iri(&self) -> bool

Return true if this subject is an IRI, else false.

fn is_statement(&self) -> bool

Return true if this subject is an RDF-star statement, else false.

Trait Implementations

impl Display for dyn SubjectNode

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

Formats the value using the given formatter.

impl Equiv<Arc<IRI>> for dyn SubjectNode

fn eqv(&self, other: &IRIRef) -> bool

Returns true if other is equivalent to self, else false.

fn not_eqv(&self, other: &T) -> bool

Returns true if other is not equivalent to self, else false.

impl Equiv<Rc<dyn Statement + 'static>> for dyn SubjectNode

fn eqv(&self, other: &StatementRef) -> bool

Returns true if other is equivalent to self, else false.

fn not_eqv(&self, other: &T) -> bool

Returns true if other is not equivalent to self, else false.

impl Equiv<String> for dyn SubjectNode

fn eqv(&self, other: &String) -> bool

Returns true if other is equivalent to self, else false.

fn not_eqv(&self, other: &T) -> bool

Returns true if other is not equivalent to self, else false.

impl Hash for dyn SubjectNode

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, 

Feeds a slice of this type into the given Hasher.

impl PartialEq<dyn SubjectNode + 'static> for dyn SubjectNode

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

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

#[must_use]

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

This method tests for !=.

impl Eq for dyn SubjectNode

Implementors

impl SubjectNode for SimpleSubjectNode

fn is_blank(&self) -> bool

fn as_blank(&self) -> Option<&String>

fn is_iri(&self) -> bool

fn as_iri(&self) -> Option<&IRIRef>

fn is_statement(&self) -> bool

fn as_statement(&self) -> Option<&StatementRef>