Struct WithMissing

pub struct WithMissing<A: Alignment, S: MaybeAbsent<A>, P> { /* private fields */ }

Implementations§

Trait Implementations§

Returns a duplicate of the value. Read more

Performs copy-assignment from source. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

Returns the argument unchanged.

Calls U::from(self).

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

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

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

The alignment necessary for the key. Must return a power of two.

The size of the key in bytes.

Initialize the key in the given memory location. Read more

Get a reference to the key from the given memory location. Read more

Drop the key in place. Read more

The alignment of pointer.

The type for initializers.

Initializes a with the given initializer. Read more

Dereferences the given pointer. Read more

Mutably dereferences the given pointer. Read more

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

The resulting type after obtaining ownership.

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

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

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

WithMissing

Struct WithMissing Copy item path

Implementations§

impl<A: Alignment, S: MaybeAbsent<A>, P> WithMissing<A, S, P>

pub fn new(inner: S, policy: P) -> Self

Trait Implementations§

impl<A: Alignment, S: MaybeAbsent<A>, P: MissingPolicy<A, S>> ArgumentSource<A> for WithMissing<A, S, P>

type Retention = <P as MissingPolicy<A, S>>::Retention

fn lookup<'a, 'prepared>( prepared: &'prepared Self::Prepared<'a>, address: &A::Address<'a>, ) -> Lookup<'prepared, QueryResult<<S::ValueDomain as ValueDomain>::Value<'a>>>where Self: 'a,

fn resolve<'a>( prepared: &Self::Prepared<'a>, address: &A::Address<'a>, label: &'static str, ) -> <Self::Retention as ElementEmission>::Step<QueryResult<<S::ValueDomain as ValueDomain>::Value<'a>>>where Self: 'a,

impl<A: Alignment, S: MaybeAbsent<A> + Clone, P: Clone> Clone for WithMissing<A, S, P>

fn clone(&self) -> Self

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

impl<A: Alignment, S: MaybeAbsent<A>, P> Estimated for WithMissing<A, S, P>

fn estimate(&self, stats: &Stats<'_>) -> Estimate

impl<A: Alignment, S: MaybeAbsent<A>, P: Explain> Explain for WithMissing<A, S, P>

fn describe<'a>(&'a self, formatter: &mut ExplainFormatter<'a, '_>) -> Result

impl<A: Alignment, S: MaybeAbsent<A>, P: PlanIdentity> PlanIdentity for WithMissing<A, S, P>

fn identity_eq(&self, other: &Self) -> bool

fn identity_hash<H: Hasher>(&self, state: &mut H)

impl<A: Alignment, S: MaybeAbsent<A>, P: PlanInputs> PlanInputs for WithMissing<A, S, P>

fn inputs(&self) -> Vec<&dyn PlanNode>

fn optimize(&self, session: &Session<'_>) -> Transformed<Self>

impl<A: Alignment, S: MaybeAbsent<A>, P: MissingPolicy<A, S>> Prepare for WithMissing<A, S, P>

type Prepared<'a> = (<S as Prepare>::Prepared<'a>, <P as MissingPolicy<A, S>>::Prepared<'a>) where Self: 'a

fn prepare<'a>( &'a self, graphrecord: &'a GraphRecord, cache: &'a EvaluationCache<'a>, ) -> QueryResult<Self::Prepared<'a>>

impl<A: Alignment, S: MaybeAbsent<A>, P> SourceDomain for WithMissing<A, S, P>

type ValueDomain = <S as SourceDomain>::ValueDomain

Auto Trait Implementations§

impl<A, S, P> Freeze for WithMissing<A, S, P>where S: Freeze, P: Freeze,

impl<A, S, P> RefUnwindSafe for WithMissing<A, S, P>where S: RefUnwindSafe, P: RefUnwindSafe,

impl<A, S, P> Send for WithMissing<A, S, P>where P: Send,

impl<A, S, P> Sync for WithMissing<A, S, P>where P: Sync,

impl<A, S, P> Unpin for WithMissing<A, S, P>where S: Unpin, P: Unpin,

impl<A, S, P> UnsafeUnpin for WithMissing<A, S, P>where S: UnsafeUnpin, P: UnsafeUnpin,

impl<A, S, P> UnwindSafe for WithMissing<A, S, P>where S: UnwindSafe, P: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

impl<T> DynClone for Twhere T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<S, T> ExpandTo<T> for Swhere S: Clone, T: Apply<ExpandToOperation<S>>, ExpandToOperation<S>: Operation,

type ReturnOperand = <T as Apply<ExpandToOperation<S>>>::Output

fn expand_to(&self, template: &T) -> <S as ExpandTo<T>>::ReturnOperand

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<A, V, S> IntoArgument<A, V> for Swhere A: Alignment, V: ValueDomain, S: ArgumentSource<A, V>,

fn into_argument(self) -> Argument<A, V, <S as ArgumentSource<A, V>>::Retention>

impl<T> IntoEither for T

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

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

impl<T> Key for Twhere T: Clone,

fn align() -> usize

fn size(&self) -> usize

unsafe fn init(&self, ptr: *mut u8)

unsafe fn get<'a>(ptr: *const u8) -> &'a T

unsafe fn drop_in_place(ptr: *mut u8)

impl<T> Pointable for T

const ALIGN: usize

type Init = T

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

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

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

unsafe fn drop(ptr: usize)

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

Struct WithMissing

fn lookup<'a, 'prepared>( prepared: &'prepared Self::Prepared<'a>, address: &A::Address<'a>, ) -> Lookup<'prepared, QueryResult<<S::ValueDomain as ValueDomain>::Value<'a>>>
where Self: 'a,

fn resolve<'a>( prepared: &Self::Prepared<'a>, address: &A::Address<'a>, label: &'static str, ) -> <Self::Retention as ElementEmission>::Step<QueryResult<<S::ValueDomain as ValueDomain>::Value<'a>>>
where Self: 'a,

impl<A, S, P> Freeze for WithMissing<A, S, P>
where S: Freeze, P: Freeze,

impl<A, S, P> RefUnwindSafe for WithMissing<A, S, P>
where S: RefUnwindSafe, P: RefUnwindSafe,

impl<A, S, P> Send for WithMissing<A, S, P>
where P: Send,

impl<A, S, P> Sync for WithMissing<A, S, P>
where P: Sync,

impl<A, S, P> Unpin for WithMissing<A, S, P>
where S: Unpin, P: Unpin,

impl<A, S, P> UnsafeUnpin for WithMissing<A, S, P>
where S: UnsafeUnpin, P: UnsafeUnpin,

impl<A, S, P> UnwindSafe for WithMissing<A, S, P>
where S: UnwindSafe, P: UnwindSafe,

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

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

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

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

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

impl<S, T> ExpandTo<T> for S
where S: Clone, T: Apply<ExpandToOperation<S>>, ExpandToOperation<S>: Operation,

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

impl<A, V, S> IntoArgument<A, V> for S
where A: Alignment, V: ValueDomain, S: ArgumentSource<A, V>,

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

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

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

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

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

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