[−][src]Type Definition rustc::ty::Ty
type Ty<'tcx> = &'tcx TyS<'tcx>;
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Trait Implementations
impl<'tcx> ToTrace<'tcx> for Ty<'tcx>
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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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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,
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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 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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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
. Read more
impl<'tcx> EncodableWithShorthand for Ty<'tcx>
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impl<'tcx> EncodableWithShorthand for Ty<'tcx>
type Variant = TyKind<'tcx>
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fn variant(&self) -> &Self::Variant
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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>>,
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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 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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fn field(this: TyLayout<'tcx>, cx: C, i: usize) -> C::TyLayout
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impl<'tcx> Key for Ty<'tcx>
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impl<'tcx> Key for Ty<'tcx>
fn query_crate(&self) -> CrateNum
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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. Read more
fn default_span(&self, _: TyCtxt) -> Span
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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? Read more
impl<'tcx> Value<'tcx> for Ty<'tcx>
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impl<'tcx> Value<'tcx> for Ty<'tcx>
fn from_cycle_error<'a>(tcx: TyCtxt<'a, 'tcx, 'tcx>) -> Ty<'tcx>
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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>
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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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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,
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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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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>
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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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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>
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impl<'tcx> From<Ty<'tcx>> for Kind<'tcx>
impl<'a, 'tcx> Lift<'tcx> for Ty<'a>
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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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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>
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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 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 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 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 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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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. Read more
fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
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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). Read more
fn has_escaping_regions(&self) -> bool
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fn has_escaping_regions(&self) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> 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 has_projections(&self) -> bool
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fn references_error(&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_param_types(&self) -> bool
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fn has_self_ty(&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 has_infer_types(&self) -> bool
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fn needs_infer(&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 has_skol(&self) -> bool
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fn needs_subst(&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_re_skol(&self) -> bool
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fn has_closure_types(&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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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. Read more
fn has_erasable_regions(&self) -> bool
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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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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. Read more
fn has_late_bound_regions(&self) -> bool
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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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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>
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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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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>
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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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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
).