Struct rustc_trait_selection::traits::wf::WfPredicates
source · struct WfPredicates<'a, 'tcx> {
infcx: &'a InferCtxt<'tcx>,
param_env: ParamEnv<'tcx>,
body_id: LocalDefId,
span: Span,
out: Vec<PredicateObligation<'tcx>>,
recursion_depth: usize,
item: Option<&'tcx Item<'tcx>>,
}
Fields§
§infcx: &'a InferCtxt<'tcx>
§param_env: ParamEnv<'tcx>
§body_id: LocalDefId
§span: Span
§out: Vec<PredicateObligation<'tcx>>
§recursion_depth: usize
§item: Option<&'tcx Item<'tcx>>
Implementations§
source§impl<'a, 'tcx> WfPredicates<'a, 'tcx>
impl<'a, 'tcx> WfPredicates<'a, 'tcx>
fn tcx(&self) -> TyCtxt<'tcx>
fn cause(&self, code: ObligationCauseCode<'tcx>) -> ObligationCause<'tcx>
fn normalize(self, infcx: &InferCtxt<'tcx>) -> Vec<PredicateObligation<'tcx>>
sourcefn compute_trait_pred(
&mut self,
trait_pred: TraitPredicate<'tcx>,
elaborate: Elaborate,
)
fn compute_trait_pred( &mut self, trait_pred: TraitPredicate<'tcx>, elaborate: Elaborate, )
Pushes the obligations required for trait_ref
to be WF into self.out
.
fn compute_negative_trait_pred(&mut self, trait_ref: TraitRef<'tcx>)
sourcefn compute_alias_term(&mut self, data: AliasTerm<'tcx>)
fn compute_alias_term(&mut self, data: AliasTerm<'tcx>)
Pushes the obligations required for an alias (except inherent) to be WF
into self.out
.
sourcefn compute_inherent_projection(&mut self, data: AliasTy<'tcx>)
fn compute_inherent_projection(&mut self, data: AliasTy<'tcx>)
Pushes the obligations required for an inherent alias to be WF
into self.out
.
fn compute_projection_args(&mut self, args: GenericArgsRef<'tcx>)
fn require_sized(&mut self, subty: Ty<'tcx>, cause: ObligationCauseCode<'tcx>)
sourcefn compute(&mut self, arg: GenericArg<'tcx>)
fn compute(&mut self, arg: GenericArg<'tcx>)
Pushes all the predicates needed to validate that ty
is WF into out
.
fn nominal_obligations( &mut self, def_id: DefId, args: GenericArgsRef<'tcx>, ) -> Vec<PredicateObligation<'tcx>>
fn from_object_ty( &mut self, ty: Ty<'tcx>, data: &'tcx List<PolyExistentialPredicate<'tcx>>, region: Region<'tcx>, )
Trait Implementations§
source§impl<'a, 'tcx> TypeVisitor<TyCtxt<'tcx>> for WfPredicates<'a, 'tcx>
impl<'a, 'tcx> TypeVisitor<TyCtxt<'tcx>> for WfPredicates<'a, 'tcx>
fn visit_ty(&mut self, t: Ty<'tcx>) -> Self::Result
fn visit_const(&mut self, c: Const<'tcx>) -> Self::Result
fn visit_predicate(&mut self, _p: Predicate<'tcx>) -> Self::Result
type Result = ()
fn visit_binder<T>(&mut self, t: &Binder<I, T>) -> Self::Resultwhere
T: TypeVisitable<I>,
fn visit_region(&mut self, r: <I as Interner>::Region) -> Self::Result
fn visit_clauses(&mut self, p: <I as Interner>::Clauses) -> Self::Result
fn visit_error( &mut self, _guar: <I as Interner>::ErrorGuaranteed, ) -> Self::Result
Auto Trait Implementations§
impl<'a, 'tcx> Freeze for WfPredicates<'a, 'tcx>
impl<'a, 'tcx> !RefUnwindSafe for WfPredicates<'a, 'tcx>
impl<'a, 'tcx> !Send for WfPredicates<'a, 'tcx>
impl<'a, 'tcx> !Sync for WfPredicates<'a, 'tcx>
impl<'a, 'tcx> Unpin for WfPredicates<'a, 'tcx>
impl<'a, 'tcx> !UnwindSafe for WfPredicates<'a, 'tcx>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
source§impl<T> Filterable for T
impl<T> Filterable for T
source§fn filterable(
self,
filter_name: &'static str,
) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>
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
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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 moresource§impl<P> IntoQueryParam<P> for P
impl<P> IntoQueryParam<P> for P
fn into_query_param(self) -> P
source§impl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
source§impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
source§impl<I, T> UpcastFrom<I, T> for T
impl<I, T> UpcastFrom<I, T> for T
fn upcast_from(from: T, _tcx: I) -> T
source§impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T
source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
source§fn with_current_subscriber(self) -> WithDispatch<Self>
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
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: 72 bytes