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Wildcard

graphrecords_query::optimizer

Struct Wildcard

pub struct Wildcard;

Trait Implementations§

impl<O: Operand> Pattern<O> for Wildcard

type Bindings = ()

fn try_match(&self, _operand: &O) -> Option<Self::Bindings>

fn rewrite<F>(self, rewrite: F) -> impl Rule<O>
where Self: Sized + Send + Sync + 'static, O: 'static, F: Fn(Self::Bindings, &Stats<'_>) -> Option<O> + Send + Sync + 'static,

fn guard<G>(self, guard: G) -> GuardedPattern<Self, G>
where Self: Sized, G: Fn(&Stats<'_>) -> bool,

fn or<Q>(self, other: Q) -> impl Pattern<O, Bindings = Self::Bindings>
where Self: Sized, Q: Pattern<O, Bindings = Self::Bindings>,

Auto Trait Implementations§

impl Freeze for Wildcard

impl RefUnwindSafe for Wildcard

impl Send for Wildcard

impl Sync for Wildcard

impl Unpin for Wildcard

impl UnsafeUnpin for Wildcard

impl UnwindSafe for Wildcard

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> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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<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, 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