Trait rdftk_core::model::literal::Literal

pub trait Literal: Debug {
    fn lexical_form(&self) -> &String;
    fn data_type(&self) -> Option<&DataType>;
    fn language(&self) -> Option<&LanguageTag>;
    fn factory(&self) -> LiteralFactoryRef;

    fn has_data_type(&self) -> bool { ... }
    fn has_language(&self) -> bool { ... }
}

This trait describes an RDF literal which may be the object of a statement.

Required methods

fn lexical_form(&self) -> &String

Return the lexical form of this literal.

fn data_type(&self) -> Option<&DataType>

Returns this literal’s data type, if present.

fn language(&self) -> Option<&LanguageTag>

Return this literal’s language tag, if present.

fn factory(&self) -> LiteralFactoryRef

Return the factory that creates literals using the same provider as self.

Note that this uses Arc as a reference as factories are explicitly intended for cross-thread usage.

Provided methods

fn has_data_type(&self) -> bool

Returns true if this literal has a specified data type, else false.

fn has_language(&self) -> bool

Returns true if this literal has a specified language, else false.

Trait Implementations

impl Display for dyn Literal

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

Formats the value using the given formatter.

impl Equiv<String> for dyn Literal

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 Literal

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 Literal + 'static> for dyn Literal

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

Implementors

impl Literal for SimpleLiteral

fn lexical_form(&self) -> &String

fn has_data_type(&self) -> bool

fn data_type(&self) -> Option<&DataType>

fn has_language(&self) -> bool

fn language(&self) -> Option<&LanguageTag>

fn factory(&self) -> LiteralFactoryRef