Struct Matching

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pub struct Matching<C, P> { /* private fields */ }

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impl<C, P> Matching<C, P>

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pub fn rewrite_matched<B, F>(self, rewrite: F) -> impl Rule<C::Output>
where C: PlanNode + MatchInputs + OptimizePlan, P: for<'a> MatchAgainst<C::Inputs<'a>, Bindings = B> + Send + Sync + 'static, B: 'static, F: Fn(&C, B, &Stats<'_>) -> Option<C::Output> + Send + Sync + 'static,

Trait Implementations§

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impl<C, P, B> Pattern<<C as OptimizePlan>::Output> for Matching<C, P>
where C: PlanNode + MatchInputs + OptimizePlan, P: for<'a> MatchAgainst<C::Inputs<'a>, Bindings = B>,

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type Bindings = B

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fn try_match(&self, operand: &C::Output) -> Option<Self::Bindings>

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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,

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

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

Auto Trait Implementations§

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impl<C, P> UnwindSafe for Matching<C, P>
where P: UnwindSafe,

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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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

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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

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