Struct Probe

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pub struct Probe<I>where
    I: Interner,{
    pub steps: Vec<ProbeStep<I>>,
    pub kind: ProbeKind<I>,
    pub final_state: Canonical<I, State<I, ()>>,
}

Expand description

A self-contained computation during trait solving. This either corresponds to a EvalCtxt::probe(_X) call or the root evaluation of a goal.

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§steps: Vec<ProbeStep>

What happened inside of this probe in chronological order.

§kind: ProbeKind§final_state: Canonical<I, State<I, ()>>

Trait Implementations§

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impl Debug for Probe
where I: Interner,

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

Formats the value using the given formatter. Read more

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impl Hash for Probe
where I: Interner,

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

Feeds this value into the given Hasher. Read more

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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

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impl PartialEq for Probe
where I: Interner,

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fn eq(&self, __other: &Probe) -> bool

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

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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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impl Eq for Probe
where I: Interner,

Auto Trait Implementations§

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impl Freeze for Probe
where ::DefiningOpaqueTypes: Freeze, ::CanonicalVars: Freeze, ::DefId: Freeze, ::GenericArgs: Freeze, ::ExternalConstraints: Freeze,

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impl RefUnwindSafe for Probe
where ::DefiningOpaqueTypes: RefUnwindSafe, ::CanonicalVars: RefUnwindSafe, ::DefId: RefUnwindSafe, ::GenericArgs: RefUnwindSafe, ::ExternalConstraints: RefUnwindSafe, ::ParamEnv: RefUnwindSafe, ::Predicate: RefUnwindSafe,

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impl Send for Probe
where ::DefiningOpaqueTypes: Send, ::CanonicalVars: Send, ::DefId: Send, ::GenericArgs: Send, ::ExternalConstraints: Send, ::ParamEnv: Send, ::Predicate: Send,

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impl Sync for Probe
where ::DefiningOpaqueTypes: Sync, ::CanonicalVars: Sync, ::DefId: Sync, ::GenericArgs: Sync, ::ExternalConstraints: Sync, ::ParamEnv: Sync, ::Predicate: Sync,

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impl Unpin for Probe
where ::DefiningOpaqueTypes: Unpin, ::CanonicalVars: Unpin, ::DefId: Unpin, ::GenericArgs: Unpin, ::ExternalConstraints: Unpin, ::ParamEnv: Unpin, ::Predicate: Unpin,

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impl UnwindSafe for Probe
where ::DefiningOpaqueTypes: UnwindSafe, ::CanonicalVars: UnwindSafe, ::DefId: UnwindSafe, ::GenericArgs: UnwindSafe, ::ExternalConstraints: UnwindSafe, ::ParamEnv: UnwindSafe, ::Predicate: UnwindSafe,

Blanket Implementations§

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

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

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

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

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

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

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

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

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

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. 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> 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 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 IntoQueryParam for P

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fn into_query_param(self) -> P

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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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 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>::Error>

Performs the conversion.

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

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> 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,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

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Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.

Struct ProbeCopy item path

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Trait Implementations§

impl<I> Debug for Probe<I>where I: Interner,

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

impl<I> Hash for Probe<I>where I: Interner,

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

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

impl<I> PartialEq for Probe<I>where I: Interner,

fn eq(&self, __other: &Probe<I>) -> bool

fn ne(&self, other: &Rhs) -> bool

impl<I> Eq for Probe<I>where I: Interner,

Auto Trait Implementations§

impl<I> Freeze for Probe<I>where <I as Interner>::DefiningOpaqueTypes: Freeze, <I as Interner>::CanonicalVars: Freeze, <I as Interner>::DefId: Freeze, <I as Interner>::GenericArgs: Freeze, <I as Interner>::ExternalConstraints: Freeze,

impl<I> Send for Probe<I>where <I as Interner>::DefiningOpaqueTypes: Send, <I as Interner>::CanonicalVars: Send, <I as Interner>::DefId: Send, <I as Interner>::GenericArgs: Send, <I as Interner>::ExternalConstraints: Send, <I as Interner>::ParamEnv: Send, <I as Interner>::Predicate: Send,

impl<I> Sync for Probe<I>where <I as Interner>::DefiningOpaqueTypes: Sync, <I as Interner>::CanonicalVars: Sync, <I as Interner>::DefId: Sync, <I as Interner>::GenericArgs: Sync, <I as Interner>::ExternalConstraints: Sync, <I as Interner>::ParamEnv: Sync, <I as Interner>::Predicate: Sync,

impl<I> Unpin for Probe<I>where <I as Interner>::DefiningOpaqueTypes: Unpin, <I as Interner>::CanonicalVars: Unpin, <I as Interner>::DefId: Unpin, <I as Interner>::GenericArgs: Unpin, <I as Interner>::ExternalConstraints: Unpin, <I as Interner>::ParamEnv: Unpin, <I as Interner>::Predicate: Unpin,

Blanket Implementations§

impl<T> Aligned for T

const ALIGN: Alignment = _

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

fn type_id(&self) -> TypeId

impl<T> AnyEq for Twhere T: Any + PartialEq,

fn equals(&self, other: &(dyn Any + 'static)) -> bool

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

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, R> CollectAndApply<T, R> for T

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

type Output = R

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

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

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

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

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

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

impl<T> Filterable for T

fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

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<P> IntoQueryParam<P> for P

fn into_query_param(self) -> P

impl<T> MaybeResult<T> for T

type Error = !

fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

impl<T> Same for T

type Output = 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>,

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

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

impl<I, T, U> Upcast<I, U> for Twhere U: UpcastFrom<I, T>,

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

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

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

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

fn vzip(self) -> V

impl<Tcx, T> Value<Tcx> for Twhere Tcx: DepContext,

default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<'a, T> Captures<'a> for Twhere T: ?Sized,

impl<T> ErasedDestructor for Twhere T: 'static,

impl<T> MaybeSendSync for T

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Struct Probe

impl<I> Debug for Probe<I>
where I: Interner,

impl<I> Hash for Probe<I>
where I: Interner,

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

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

impl<I> PartialEq for Probe<I>
where I: Interner,

impl<I> Eq for Probe<I>
where I: Interner,

impl<I> Freeze for Probe<I>
where <I as Interner>::DefiningOpaqueTypes: Freeze, <I as Interner>::CanonicalVars: Freeze, <I as Interner>::DefId: Freeze, <I as Interner>::GenericArgs: Freeze, <I as Interner>::ExternalConstraints: Freeze,

impl<I> Send for Probe<I>
where <I as Interner>::DefiningOpaqueTypes: Send, <I as Interner>::CanonicalVars: Send, <I as Interner>::DefId: Send, <I as Interner>::GenericArgs: Send, <I as Interner>::ExternalConstraints: Send, <I as Interner>::ParamEnv: Send, <I as Interner>::Predicate: Send,

impl<I> Sync for Probe<I>
where <I as Interner>::DefiningOpaqueTypes: Sync, <I as Interner>::CanonicalVars: Sync, <I as Interner>::DefId: Sync, <I as Interner>::GenericArgs: Sync, <I as Interner>::ExternalConstraints: Sync, <I as Interner>::ParamEnv: Sync, <I as Interner>::Predicate: Sync,

impl<I> Unpin for Probe<I>
where <I as Interner>::DefiningOpaqueTypes: Unpin, <I as Interner>::CanonicalVars: Unpin, <I as Interner>::DefId: Unpin, <I as Interner>::GenericArgs: Unpin, <I as Interner>::ExternalConstraints: Unpin, <I as Interner>::ParamEnv: Unpin, <I as Interner>::Predicate: Unpin,

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

impl<T> AnyEq for T
where T: Any + PartialEq,

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

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

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

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

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

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

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

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

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

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

impl<I, T, U> Upcast<I, U> for T
where U: UpcastFrom<I, T>,

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

impl<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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

impl<'a, T> Captures<'a> for T
where T: ?Sized,

impl<T> ErasedDestructor for T
where T: 'static,