Struct rustc_trait_selection::infer::InferCtxtInner

source ·

pub struct InferCtxtInner<'tcx> {
    undo_log: InferCtxtUndoLogs<'tcx>,
    projection_cache: ProjectionCacheStorage<'tcx>,
    type_variable_storage: TypeVariableStorage<'tcx>,
    const_unification_storage: UnificationTable<InPlace<ConstVidKey<'tcx>, Vec<VarValue<ConstVidKey<'tcx>>>, ()>>,
    int_unification_storage: UnificationTable<InPlace<IntVid, Vec<VarValue<IntVid>>, ()>>,
    float_unification_storage: UnificationTable<InPlace<FloatVid, Vec<VarValue<FloatVid>>, ()>>,
    effect_unification_storage: UnificationTable<InPlace<EffectVidKey<'tcx>, Vec<VarValue<EffectVidKey<'tcx>>>, ()>>,
    region_constraint_storage: Option<RegionConstraintStorage<'tcx>>,
    region_obligations: Vec<RegionObligation<'tcx>>,
    opaque_type_storage: OpaqueTypeStorage<'tcx>,
}

Expand description

This type contains all the things within InferCtxt that sit within a RefCell and are involved with taking/rolling back snapshots. Snapshot operations are hot enough that we want only one call to borrow_mut per call to start_snapshot and rollback_to.

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§undo_log: InferCtxtUndoLogs<'tcx>§projection_cache: ProjectionCacheStorage<'tcx>§type_variable_storage: TypeVariableStorage<'tcx>§const_unification_storage: UnificationTable<InPlace<ConstVidKey<'tcx>, Vec<VarValue<ConstVidKey<'tcx>>>, ()>>§int_unification_storage: UnificationTable<InPlace<IntVid, Vec<VarValue<IntVid>>, ()>>§float_unification_storage: UnificationTable<InPlace<FloatVid, Vec<VarValue<FloatVid>>, ()>>§effect_unification_storage: UnificationTable<InPlace<EffectVidKey<'tcx>, Vec<VarValue<EffectVidKey<'tcx>>>, ()>>§region_constraint_storage: Option<RegionConstraintStorage<'tcx>>§region_obligations: Vec<RegionObligation<'tcx>>§opaque_type_storage: OpaqueTypeStorage<'tcx>

Struct rustc_trait_selection::infer::InferCtxtInner

Fields§

Implementations§

impl<'tcx> InferCtxtInner<'tcx>

pub fn rollback_to(&mut self, snapshot: Snapshot<'tcx>)

pub fn commit(&mut self, snapshot: Snapshot<'tcx>)

impl<'tcx> InferCtxtInner<'tcx>

pub fn region_obligations(&self) -> &[RegionObligation<'tcx>]

pub fn projection_cache(&mut self) -> ProjectionCache<'_, 'tcx>

pub fn opaque_types(&mut self) -> OpaqueTypeTable<'_, 'tcx>

pub fn unwrap_region_constraints( &mut self ) -> RegionConstraintCollector<'_, 'tcx>

Trait Implementations§

impl<'tcx> Clone for InferCtxtInner<'tcx>

fn clone(&self) -> InferCtxtInner<'tcx>

fn clone_from(&mut self, source: &Self)

impl<'tcx> Rollback<UndoLog<'tcx>> for InferCtxtInner<'tcx>

fn reverse(&mut self, undo: UndoLog<'tcx>)

Auto Trait Implementations§

impl<'tcx> DynSend for InferCtxtInner<'tcx>

impl<'tcx> DynSync for InferCtxtInner<'tcx>

impl<'tcx> Freeze for InferCtxtInner<'tcx>

impl<'tcx> !RefUnwindSafe for InferCtxtInner<'tcx>

impl<'tcx> Send for InferCtxtInner<'tcx>

impl<'tcx> Sync for InferCtxtInner<'tcx>

impl<'tcx> Unpin for InferCtxtInner<'tcx>

impl<'tcx> !UnwindSafe for InferCtxtInner<'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> 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<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> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<'tcx, T> ToPredicate<'tcx, T> for T

fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> 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<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>,

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>,

impl<T> ToOwned for T
where T: Clone,

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

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

impl<T> MaybeSendSync for T
where T: Send + Sync,