pub(super) struct SearchGraphDelegate<D: SolverDelegate> {
    _marker: PhantomData<D>,
}
Expand description

This type is never constructed. We only use it to implement search_graph::Delegate for all types which impl SolverDelegate and doing it directly fails in coherence.

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§_marker: PhantomData<D>

Trait Implementations§

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impl<D, I> Delegate for SearchGraphDelegate<D>
where D: SolverDelegate<Interner = I>, I: Interner,

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type Cx = I

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const ENABLE_PROVISIONAL_CACHE: bool = true

Whether to use the provisional cache. Set to false by a fuzzer when validating the search graph.
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type ValidationScope = Infallible

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fn enter_validation_scope( _cx: Self::Cx, _input: CanonicalInput<I>, ) -> Option<Self::ValidationScope>

Returning Some disables the global cache for the current goal. Read more
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const FIXPOINT_STEP_LIMIT: usize = 8usize

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type ProofTreeBuilder = ProofTreeBuilder<D, I>

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fn inspect_is_noop(inspect: &mut Self::ProofTreeBuilder) -> bool

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const DIVIDE_AVAILABLE_DEPTH_ON_OVERFLOW: usize = 4usize

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fn recursion_limit(cx: I) -> usize

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fn initial_provisional_result( cx: I, kind: PathKind, input: CanonicalInput<I>, ) -> QueryResult<I>

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fn is_initial_provisional_result( cx: Self::Cx, kind: PathKind, input: CanonicalInput<I>, result: QueryResult<I>, ) -> bool

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fn on_stack_overflow( cx: I, inspect: &mut ProofTreeBuilder<D>, input: CanonicalInput<I>, ) -> QueryResult<I>

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fn on_fixpoint_overflow(cx: I, input: CanonicalInput<I>) -> QueryResult<I>

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fn is_ambiguous_result(result: QueryResult<I>) -> bool

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fn propagate_ambiguity( cx: I, for_input: CanonicalInput<I>, from_result: QueryResult<I>, ) -> QueryResult<I>

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fn step_is_coinductive(cx: I, input: CanonicalInput<I>) -> bool

Auto Trait Implementations§

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impl<D> Freeze for SearchGraphDelegate<D>
where <D as Deref>::Target: Sized,

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impl<D> RefUnwindSafe for SearchGraphDelegate<D>
where <D as Deref>::Target: Sized, D: RefUnwindSafe,

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impl<D> Send for SearchGraphDelegate<D>
where <D as Deref>::Target: Sized, D: Send,

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impl<D> Sync for SearchGraphDelegate<D>
where <D as Deref>::Target: Sized, D: Sync,

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impl<D> Unpin for SearchGraphDelegate<D>
where <D as Deref>::Target: Sized, D: Unpin,

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impl<D> UnwindSafe for SearchGraphDelegate<D>
where <D as Deref>::Target: Sized, D: UnwindSafe,

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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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, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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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> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> 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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<I, T, U> Upcast<I, U> for T
where U: UpcastFrom<I, T>,

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fn upcast(self, interner: I) -> U

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impl<I, T> UpcastFrom<I, T> for T

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fn upcast_from(from: T, _tcx: I) -> T

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

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