Type Definition rustc::ty::Ty

type Ty<'tcx> = &'tcx TyS<'tcx>;

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Trait Implementations

impl<'tcx> ToTrace<'tcx> for Ty<'tcx>

fn to_trace(     cause: &ObligationCause<'tcx>,     a_is_expected: bool,     a: Self,     b: Self ) -> TypeTrace<'tcx>

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impl<'gcx, 'tcx> Normalizable<'gcx, 'tcx> for Ty<'tcx> where     'gcx: 'tcx,

fn type_op_method(     tcx: TyCtxt<'_, 'gcx, 'tcx>,     canonicalized: Canonicalized<'gcx, ParamEnvAnd<'tcx, Normalize<Self>>> ) -> Fallible<CanonicalizedQueryResult<'gcx, Self>>

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fn shrink_to_tcx_lifetime<'a>(     v: &'a CanonicalizedQueryResult<'gcx, Self> ) -> &'a Canonical<'tcx, QueryResult<'tcx, Self>>

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Convert from the 'gcx (lifted) form of Self into the tcx form of Self.

impl<'tcx> EncodableWithShorthand for Ty<'tcx>

type Variant = TypeVariants<'tcx>

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fn variant(&self) -> &Self::Variant

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impl<'a, 'tcx, C> TyLayoutMethods<'tcx, C> for Ty<'tcx> where     C: LayoutOf<Ty = Ty<'tcx>> + HasTyCtxt<'tcx>,     C::TyLayout: MaybeResult<TyLayout<'tcx>>,

fn for_variant(     this: TyLayout<'tcx>,     cx: C,     variant_index: usize ) -> TyLayout<'tcx>

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fn field(this: TyLayout<'tcx>, cx: C, i: usize) -> C::TyLayout

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impl<'tcx> Key for Ty<'tcx>

fn query_crate(&self) -> CrateNum

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Given an instance of this key, what crate is it referring to? This is used to find the provider.

fn default_span(&self, _: TyCtxt) -> Span

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In the event that a cycle occurs, if no explicit span has been given for a query with key self, what span should we use?

impl<'tcx> Value<'tcx> for Ty<'tcx>

fn from_cycle_error<'a>(tcx: TyCtxt<'a, 'tcx, 'tcx>) -> Ty<'tcx>

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impl<'a, 'tcx, 'x> SpecializedDecoder<Ty<'tcx>> for CacheDecoder<'a, 'tcx, 'x>

fn specialized_decode(&mut self) -> Result<Ty<'tcx>, Self::Error>

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Decode a value in a manner specific to this decoder state.

impl<'enc, 'a, 'tcx, E> SpecializedEncoder<Ty<'tcx>> for CacheEncoder<'enc, 'a, 'tcx, E> where     E: 'enc + TyEncoder,

fn specialized_encode(&mut self, ty: &Ty<'tcx>) -> Result<(), Self::Error>

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Encode the value in a manner specific to this encoder state.

impl<'tcx> Relate<'tcx> for Ty<'tcx>

fn relate<'a, 'gcx, R>(     relation: &mut R,     a: &Ty<'tcx>,     b: &Ty<'tcx> ) -> RelateResult<'tcx, Ty<'tcx>> where     R: TypeRelation<'a, 'gcx, 'tcx>,     'gcx: 'a + 'tcx,     'tcx: 'a,

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impl<'tcx> From<Ty<'tcx>> for Kind<'tcx>

fn from(ty: Ty<'tcx>) -> Kind<'tcx>

Performs the conversion.

impl<'a, 'tcx> Lift<'tcx> for Ty<'a>

type Lifted = Ty<'tcx>

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fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Ty<'tcx>>

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impl<'tcx> TypeFoldable<'tcx> for Ty<'tcx>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(     &self,     folder: &mut F ) -> Self

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(     &self,     folder: &mut F ) -> Self

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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool

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True if self has any late-bound regions that are either bound by binder or bound by some binder outside of binder. If binder is ty::INNERMOST, this indicates whether there are any late-bound regions that appear free.

fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool

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True if this self has any regions that escape binder (and hence are not bound by it).

fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn has_skol(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_free_regions(&self) -> bool

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"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound.

fn has_erasable_regions(&self) -> bool

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True if there any any un-erased free regions.

fn is_global(&self) -> bool

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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching.

fn has_late_bound_regions(&self) -> bool

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True if there are any late-bound regions

fn visit_tys_shallow(     &self,     visit: impl FnMut(Ty<'tcx>) -> bool ) -> bool

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A visitor that does not recurse into types, works like fn walk_shallow in Ty.

impl<'tcx> UseSpecializedEncodable for Ty<'tcx>

fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where     E: Encoder,

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Defaults to returning an error (see SpecializationError).

impl<'tcx> UseSpecializedDecodable for Ty<'tcx>

fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where     D: Decoder,

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Defaults to returning an error (see SpecializationError).