Struct rustc_const_eval::interpret::RefTracking

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pub struct RefTracking<T, PATH = ()> {
    seen: FxHashSet<T>,
    todo: Vec<(T, PATH)>,
}
Expand description

State for tracking recursive validation of references

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§seen: FxHashSet<T>§todo: Vec<(T, PATH)>

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impl<T: Clone + Eq + Hash + Debug, PATH: Default> RefTracking<T, PATH>

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pub fn empty() -> Self

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pub fn new(op: T) -> Self

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pub fn next(&mut self) -> Option<(T, PATH)>

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fn track(&mut self, op: T, path: impl FnOnce() -> PATH)

Auto Trait Implementations§

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impl<T, PATH> Freeze for RefTracking<T, PATH>

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impl<T, PATH> RefUnwindSafe for RefTracking<T, PATH>
where T: RefUnwindSafe, PATH: RefUnwindSafe,

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impl<T, PATH> Send for RefTracking<T, PATH>
where T: Send, PATH: Send,

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impl<T, PATH> Sync for RefTracking<T, PATH>
where T: Sync, PATH: Sync,

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impl<T, PATH> Unpin for RefTracking<T, PATH>
where T: Unpin, PATH: Unpin,

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impl<T, PATH> UnwindSafe for RefTracking<T, PATH>
where T: UnwindSafe, PATH: 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> 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>

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fn in_current_span(self) -> Instrumented<Self>

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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<P> IntoQueryParam<P> for P

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fn into_query_param(self) -> P

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

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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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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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where S: Into<Dispatch>,

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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.

Size: 56 bytes