rustc_borrowck::region_infer::opaque_types::region_ctxt

Struct RegionCtxt

pub(super) struct RegionCtxt<'a, 'tcx> {
    pub(super) infcx: &'a BorrowckInferCtxt<'tcx>,
    pub(super) definitions: Frozen<IndexVec<RegionVid, RegionDefinition<'tcx>>>,
    pub(super) universal_region_relations: &'a UniversalRegionRelations<'tcx>,
    pub(super) constraint_sccs: Sccs<RegionVid, ConstraintSccIndex>,
    pub(super) scc_annotations: IndexVec<ConstraintSccIndex, RegionTracker>,
    pub(super) rev_scc_graph: ReverseSccGraph,
    pub(super) scc_values: RegionValues<ConstraintSccIndex>,
}

Expand description

A slimmed down version of crate::region_infer::RegionInferenceContext used only by opaque type handling.

Fields§

§infcx: &'a BorrowckInferCtxt<'tcx>§definitions: Frozen<IndexVec<RegionVid, RegionDefinition<'tcx>>>§universal_region_relations: &'a UniversalRegionRelations<'tcx>§constraint_sccs: Sccs<RegionVid, ConstraintSccIndex>§scc_annotations: IndexVec<ConstraintSccIndex, RegionTracker>§rev_scc_graph: ReverseSccGraph§scc_values: RegionValues<ConstraintSccIndex>

RegionCtxt

Struct RegionCtxt Copy item path

Fields§

Implementations§

impl<'a, 'tcx> RegionCtxt<'a, 'tcx>

pub(super) fn new( infcx: &'a BorrowckInferCtxt<'tcx>, universal_region_relations: &'a Frozen<UniversalRegionRelations<'tcx>>, location_map: Rc<DenseLocationMap>, constraints: &MirTypeckRegionConstraints<'tcx>, ) -> RegionCtxt<'a, 'tcx>

pub(super) fn representative(&self, vid: RegionVid) -> Representative

pub(crate) fn max_placeholder_universe_reached( &self, scc: ConstraintSccIndex, ) -> UniverseIndex

pub(super) fn universal_regions(&self) -> &UniversalRegions<'tcx>

pub(super) fn eval_equal(&self, r1_vid: RegionVid, r2_vid: RegionVid) -> bool

Auto Trait Implementations§

impl<'a, 'tcx> !DynSend for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> !DynSync for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> Freeze for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> !RefUnwindSafe for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> !Send for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> !Sync for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> Unpin for RegionCtxt<'a, 'tcx>

impl<'a, 'tcx> !UnwindSafe for RegionCtxt<'a, 'tcx>

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> 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<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> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

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<T> ErasedDestructor for Twhere T: 'static,

Layout§

Struct RegionCtxt

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

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