Expression

flams_math_archives::triple_store::sparql::spargebra::algebra

Enum Expression

pub enum Expression {
Show 24 variants
    NamedNode(NamedNode),
    Literal(Literal),
    Variable(Variable),
    Or(Box<Expression>, Box<Expression>),
    And(Box<Expression>, Box<Expression>),
    Equal(Box<Expression>, Box<Expression>),
    SameTerm(Box<Expression>, Box<Expression>),
    Greater(Box<Expression>, Box<Expression>),
    GreaterOrEqual(Box<Expression>, Box<Expression>),
    Less(Box<Expression>, Box<Expression>),
    LessOrEqual(Box<Expression>, Box<Expression>),
    In(Box<Expression>, Vec<Expression>),
    Add(Box<Expression>, Box<Expression>),
    Subtract(Box<Expression>, Box<Expression>),
    Multiply(Box<Expression>, Box<Expression>),
    Divide(Box<Expression>, Box<Expression>),
    UnaryPlus(Box<Expression>),
    UnaryMinus(Box<Expression>),
    Not(Box<Expression>),
    Exists(Box<GraphPattern>),
    Bound(Variable),
    If(Box<Expression>, Box<Expression>, Box<Expression>),
    Coalesce(Vec<Expression>),
    FunctionCall(Function, Vec<Expression>),
}

Available on crate feature rdf only.

Expand description

Variants§

NamedNode(NamedNode)

Literal(Literal)

Variable(Variable)

Or(Box<Expression>, Box<Expression>)

And(Box<Expression>, Box<Expression>)

Equal(Box<Expression>, Box<Expression>)

RDFterm-equal and all the XSD equalities.

SameTerm(Box<Expression>, Box<Expression>)

Greater(Box<Expression>, Box<Expression>)

op:numeric-greater-than and other XSD greater than operators.

GreaterOrEqual(Box<Expression>, Box<Expression>)

Less(Box<Expression>, Box<Expression>)

op:numeric-less-than and other XSD greater than operators.

LessOrEqual(Box<Expression>, Box<Expression>)

In(Box<Expression>, Vec<Expression>)

Add(Box<Expression>, Box<Expression>)

op:numeric-add and other XSD additions.

Subtract(Box<Expression>, Box<Expression>)

op:numeric-subtract and other XSD subtractions.

Multiply(Box<Expression>, Box<Expression>)

op:numeric-multiply and other XSD multiplications.

Divide(Box<Expression>, Box<Expression>)

op:numeric-divide and other XSD divides.

UnaryPlus(Box<Expression>)

op:numeric-unary-plus and other XSD unary plus.

UnaryMinus(Box<Expression>)

op:numeric-unary-minus and other XSD unary minus.

Not(Box<Expression>)

Exists(Box<GraphPattern>)

Bound(Variable)

If(Box<Expression>, Box<Expression>, Box<Expression>)

Coalesce(Vec<Expression>)

FunctionCall(Function, Vec<Expression>)

A regular function call.

Trait Implementations§

impl Clone for Expression

fn clone(&self) -> Expression

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

impl Debug for Expression

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

Formats the value using the given formatter. Read more

impl Display for Expression

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

Formats the value using the given formatter. Read more

impl From<&Expression> for Expression

fn from(expression: &Expression) -> Expression

Converts to this type from the input type.

impl From<Literal> for Expression

fn from(p: Literal) -> Expression

Converts to this type from the input type.

impl From<NamedNode> for Expression

fn from(p: NamedNode) -> Expression

Converts to this type from the input type.

impl From<NamedNodePattern> for Expression

fn from(p: NamedNodePattern) -> Expression

Converts to this type from the input type.

impl From<Variable> for Expression

fn from(v: Variable) -> Expression

Converts to this type from the input type.

impl Hash for Expression

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

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

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

impl PartialEq for Expression

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

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

1.0.0 · Source§

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 Eq for Expression

impl StructuralPartialEq for Expression

Auto Trait Implementations§

impl Freeze for Expression

impl RefUnwindSafe for Expression

impl Send for Expression

impl Sync for Expression

impl Unpin for Expression

impl UnwindSafe for Expression

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> Downcast for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

impl<T> DowncastSend for T
where T: Any + Send,

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.

impl<T> DowncastSync for T
where T: Any + Send + Sync,

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.

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

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

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromRef<T> for T
where T: Clone,

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

impl<E, T, Request, Encoding> FromReq<Patch<Encoding>, Request, E> for T
where Request: Req<E> + Send + 'static, Encoding: Decodes<T>, E: FromServerFnError,

async fn from_req(req: Request) -> Result<T, E>

Attempts to deserialize the arguments from a request.

impl<E, T, Request, Encoding> FromReq<Post<Encoding>, Request, E> for T
where Request: Req<E> + Send + 'static, Encoding: Decodes<T>, E: FromServerFnError,

async fn from_req(req: Request) -> Result<T, E>

Attempts to deserialize the arguments from a request.

impl<E, T, Request, Encoding> FromReq<Put<Encoding>, Request, E> for T
where Request: Req<E> + Send + 'static, Encoding: Decodes<T>, E: FromServerFnError,

async fn from_req(req: Request) -> Result<T, E>

Attempts to deserialize the arguments from a request.

impl<E, Encoding, Response, T> FromRes<Patch<Encoding>, Response, E> for T
where Response: ClientRes<E> + Send, Encoding: Decodes<T>, E: FromServerFnError,

async fn from_res(res: Response) -> Result<T, E>

Attempts to deserialize the outputs from a response.

impl<E, Encoding, Response, T> FromRes<Post<Encoding>, Response, E> for T
where Response: ClientRes<E> + Send, Encoding: Decodes<T>, E: FromServerFnError,

async fn from_res(res: Response) -> Result<T, E>

Attempts to deserialize the outputs from a response.

impl<E, Encoding, Response, T> FromRes<Put<Encoding>, Response, E> for T
where Response: ClientRes<E> + Send, Encoding: Decodes<T>, E: FromServerFnError,

async fn from_res(res: Response) -> Result<T, E>

Attempts to deserialize the outputs from a response.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<E, T, Encoding, Request> IntoReq<Patch<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

fn into_req(self, path: &str, accepts: &str) -> Result<Request, E>

Attempts to serialize the arguments into an HTTP request.

impl<E, T, Encoding, Request> IntoReq<Post<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

fn into_req(self, path: &str, accepts: &str) -> Result<Request, E>

Attempts to serialize the arguments into an HTTP request.

impl<E, T, Encoding, Request> IntoReq<Put<Encoding>, Request, E> for T
where Request: ClientReq<E>, Encoding: Encodes<T>, E: FromServerFnError,

fn into_req(self, path: &str, accepts: &str) -> Result<Request, E>

Attempts to serialize the arguments into an HTTP request.

impl<E, Response, Encoding, T> IntoRes<Patch<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.

impl<E, Response, Encoding, T> IntoRes<Post<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.

impl<E, Response, Encoding, T> IntoRes<Put<Encoding>, Response, E> for T
where Response: TryRes<E>, Encoding: Encodes<T>, E: FromServerFnError + Send, T: Send,

async fn into_res(self) -> Result<Response, E>

Attempts to serialize the output into an HTTP response.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> SerializableKey for T

fn ser_key(&self) -> String

Serializes the key to a unique string. Read more

impl<T> StorageAccess<T> for T

fn as_borrowed(&self) -> &T

Borrows the value.

fn into_taken(self) -> T

Takes the value.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T> ToStringFallible for T
where T: Display,

fn try_to_string(&self) -> Result<String, TryReserveError>

ToString::to_string, but without panic on OOM.

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

impl<T> Fruit for T
where T: Send + Downcast,