[−][src]Struct rustc::ty::ProjectionTy
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)
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Represents the projection of an associated type. In explicit UFCS
form this would be written <T as Trait<..>>::N
.
Fields
substs: &'tcx Substs<'tcx>
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The parameters of the associated item.
item_def_id: DefId
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The DefId of the TraitItem for the associated type N.
Note that this is not the DefId of the TraitRef containing this associated type, which is in tcx.associated_item(item_def_id).container.
Methods
impl<'a, 'tcx> ProjectionTy<'tcx>
[src]
impl<'a, 'tcx> ProjectionTy<'tcx>
pub fn from_ref_and_name(
tcx: TyCtxt,
trait_ref: TraitRef<'tcx>,
item_name: Ident
) -> ProjectionTy<'tcx>
[src]
pub fn from_ref_and_name(
tcx: TyCtxt,
trait_ref: TraitRef<'tcx>,
item_name: Ident
) -> ProjectionTy<'tcx>
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Construct a ProjectionTy by searching the trait from trait_ref for the associated item named item_name.
pub fn trait_ref(&self, tcx: TyCtxt) -> TraitRef<'tcx>
[src]
pub fn trait_ref(&self, tcx: TyCtxt) -> TraitRef<'tcx>
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Extracts the underlying trait reference from this projection.
For example, if this is a projection of <T as Iterator>::Item
,
then this function would return a T: Iterator
trait reference.
pub fn self_ty(&self) -> Ty<'tcx>
[src]
pub fn self_ty(&self) -> Ty<'tcx>
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Trait Implementations
impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for ProjectionTy<'tcx>
[src]
impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for ProjectionTy<'tcx>
fn hash_stable<W: StableHasherResult>(
&self,
__ctx: &mut StableHashingContext<'a>,
__hasher: &mut StableHasher<W>
)
[src]
fn hash_stable<W: StableHasherResult>(
&self,
__ctx: &mut StableHashingContext<'a>,
__hasher: &mut StableHasher<W>
)
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impl<'tcx> Relate<'tcx> for ProjectionTy<'tcx>
[src]
impl<'tcx> Relate<'tcx> for ProjectionTy<'tcx>
fn relate<'a, 'gcx, R>(
relation: &mut R,
a: &ProjectionTy<'tcx>,
b: &ProjectionTy<'tcx>
) -> RelateResult<'tcx, ProjectionTy<'tcx>> where
R: TypeRelation<'a, 'gcx, 'tcx>,
'gcx: 'a + 'tcx,
'tcx: 'a,
[src]
fn relate<'a, 'gcx, R>(
relation: &mut R,
a: &ProjectionTy<'tcx>,
b: &ProjectionTy<'tcx>
) -> RelateResult<'tcx, ProjectionTy<'tcx>> where
R: TypeRelation<'a, 'gcx, 'tcx>,
'gcx: 'a + 'tcx,
'tcx: 'a,
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impl<'a, 'tcx> Lift<'tcx> for ProjectionTy<'a>
[src]
impl<'a, 'tcx> Lift<'tcx> for ProjectionTy<'a>
type Lifted = ProjectionTy<'tcx>
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fn lift_to_tcx<'b, 'gcx>(
&self,
tcx: TyCtxt<'b, 'gcx, 'tcx>
) -> Option<ProjectionTy<'tcx>>
[src]
fn lift_to_tcx<'b, 'gcx>(
&self,
tcx: TyCtxt<'b, 'gcx, 'tcx>
) -> Option<ProjectionTy<'tcx>>
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impl<'tcx> TypeFoldable<'tcx> for ProjectionTy<'tcx>
[src]
impl<'tcx> TypeFoldable<'tcx> for ProjectionTy<'tcx>
fn super_fold_with<'gcx: 'tcx, V: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut V
) -> Self
[src]
fn super_fold_with<'gcx: 'tcx, V: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut V
) -> Self
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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
[src]
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
[src]
fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
[src]
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
[src]
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
[src]
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
[src]
fn has_escaping_regions(&self) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
[src]
fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_projections(&self) -> bool
[src]
fn has_projections(&self) -> bool
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fn references_error(&self) -> bool
[src]
fn references_error(&self) -> bool
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fn has_param_types(&self) -> bool
[src]
fn has_param_types(&self) -> bool
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fn has_self_ty(&self) -> bool
[src]
fn has_self_ty(&self) -> bool
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fn has_infer_types(&self) -> bool
[src]
fn has_infer_types(&self) -> bool
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fn needs_infer(&self) -> bool
[src]
fn needs_infer(&self) -> bool
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fn has_skol(&self) -> bool
[src]
fn has_skol(&self) -> bool
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fn needs_subst(&self) -> bool
[src]
fn needs_subst(&self) -> bool
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fn has_re_skol(&self) -> bool
[src]
fn has_re_skol(&self) -> bool
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fn has_closure_types(&self) -> bool
[src]
fn has_closure_types(&self) -> bool
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fn has_free_regions(&self) -> bool
[src]
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
[src]
fn has_erasable_regions(&self) -> bool
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True if there any any un-erased free regions.
fn is_global(&self) -> bool
[src]
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
[src]
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
[src]
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> Copy for ProjectionTy<'tcx>
[src]
impl<'tcx> Copy for ProjectionTy<'tcx>
impl<'tcx> Clone for ProjectionTy<'tcx>
[src]
impl<'tcx> Clone for ProjectionTy<'tcx>
fn clone(&self) -> ProjectionTy<'tcx>
[src]
fn clone(&self) -> ProjectionTy<'tcx>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<'tcx> PartialEq for ProjectionTy<'tcx>
[src]
impl<'tcx> PartialEq for ProjectionTy<'tcx>
fn eq(&self, other: &ProjectionTy<'tcx>) -> bool
[src]
fn eq(&self, other: &ProjectionTy<'tcx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &ProjectionTy<'tcx>) -> bool
[src]
fn ne(&self, other: &ProjectionTy<'tcx>) -> bool
This method tests for !=
.
impl<'tcx> Eq for ProjectionTy<'tcx>
[src]
impl<'tcx> Eq for ProjectionTy<'tcx>
fn assert_receiver_is_total_eq(&self)
[src]
fn assert_receiver_is_total_eq(&self)
impl<'tcx> PartialOrd for ProjectionTy<'tcx>
[src]
impl<'tcx> PartialOrd for ProjectionTy<'tcx>
fn partial_cmp(&self, other: &ProjectionTy<'tcx>) -> Option<Ordering>
[src]
fn partial_cmp(&self, other: &ProjectionTy<'tcx>) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, other: &ProjectionTy<'tcx>) -> bool
[src]
fn lt(&self, other: &ProjectionTy<'tcx>) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, other: &ProjectionTy<'tcx>) -> bool
[src]
fn le(&self, other: &ProjectionTy<'tcx>) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, other: &ProjectionTy<'tcx>) -> bool
[src]
fn gt(&self, other: &ProjectionTy<'tcx>) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, other: &ProjectionTy<'tcx>) -> bool
[src]
fn ge(&self, other: &ProjectionTy<'tcx>) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl<'tcx> Ord for ProjectionTy<'tcx>
[src]
impl<'tcx> Ord for ProjectionTy<'tcx>
fn cmp(&self, other: &ProjectionTy<'tcx>) -> Ordering
[src]
fn cmp(&self, other: &ProjectionTy<'tcx>) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
impl<'tcx> Hash for ProjectionTy<'tcx>
[src]
impl<'tcx> Hash for ProjectionTy<'tcx>
fn hash<__H: Hasher>(&self, state: &mut __H)
[src]
fn hash<__H: Hasher>(&self, state: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<'tcx> Debug for ProjectionTy<'tcx>
[src]
impl<'tcx> Debug for ProjectionTy<'tcx>
fn fmt(&self, f: &mut Formatter) -> Result
[src]
fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<'tcx> Encodable for ProjectionTy<'tcx>
[src]
impl<'tcx> Encodable for ProjectionTy<'tcx>
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
[src]
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
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impl<'tcx> Decodable for ProjectionTy<'tcx>
[src]
impl<'tcx> Decodable for ProjectionTy<'tcx>
fn decode<__D: Decoder>(d: &mut __D) -> Result<ProjectionTy<'tcx>, __D::Error>
[src]
fn decode<__D: Decoder>(d: &mut __D) -> Result<ProjectionTy<'tcx>, __D::Error>
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impl<'tcx> Print for ProjectionTy<'tcx>
[src]
impl<'tcx> Print for ProjectionTy<'tcx>
fn print<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result
[src]
fn print<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result
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fn print_to_string(&self, cx: &mut PrintContext) -> String
[src]
fn print_to_string(&self, cx: &mut PrintContext) -> String
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fn print_display<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result
[src]
fn print_display<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result
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fn print_display_to_string(&self, cx: &mut PrintContext) -> String
[src]
fn print_display_to_string(&self, cx: &mut PrintContext) -> String
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fn print_debug<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result
[src]
fn print_debug<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result
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fn print_debug_to_string(&self, cx: &mut PrintContext) -> String
[src]
fn print_debug_to_string(&self, cx: &mut PrintContext) -> String
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impl<'tcx> Display for ProjectionTy<'tcx>
[src]
impl<'tcx> Display for ProjectionTy<'tcx>
Auto Trait Implementations
impl<'tcx> !Send for ProjectionTy<'tcx>
impl<'tcx> !Send for ProjectionTy<'tcx>
impl<'tcx> !Sync for ProjectionTy<'tcx>
impl<'tcx> !Sync for ProjectionTy<'tcx>
Blanket Implementations
impl<T> MaybeResult for T
[src]
impl<T> MaybeResult for T
fn from_ok(T) -> T
[src]
fn from_ok(T) -> T
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fn map_same<F>(Self, F) -> T where
F: FnOnce(T) -> T,
[src]
fn map_same<F>(Self, F) -> T where
F: FnOnce(T) -> T,
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impl<'tcx, T> Subst for T where
T: TypeFoldable<'tcx>,
[src]
impl<'tcx, T> Subst for T where
T: TypeFoldable<'tcx>,
fn subst_spanned(
&Self,
TyCtxt<'a, 'gcx, 'tcx>,
&[Kind<'tcx>],
Option<Span>
) -> T
[src]
fn subst_spanned(
&Self,
TyCtxt<'a, 'gcx, 'tcx>,
&[Kind<'tcx>],
Option<Span>
) -> T
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fn subst<'a, 'gcx>(
&self,
tcx: TyCtxt<'a, 'gcx, 'tcx>,
substs: &[Kind<'tcx>]
) -> Self
[src]
fn subst<'a, 'gcx>(
&self,
tcx: TyCtxt<'a, 'gcx, 'tcx>,
substs: &[Kind<'tcx>]
) -> Self
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impl<'a, T> Captures for T where
T: ?Sized,
[src]
impl<'a, T> Captures for T where
T: ?Sized,
impl<T> ToOwned for T where
T: Clone,
[src]
impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
[src]
fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
[src]
fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
[src]
impl<T> From for T
impl<T> ToString for T where
T: Display + ?Sized,
[src]
impl<T> ToString for T where
T: Display + ?Sized,
impl<T, U> Into for T where
U: From<T>,
[src]
impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
[src]
impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
[src]
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
[src]
impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
[src]
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
[src]
impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
[src]
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
[src]
fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
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impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
[src]
fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<T> Decodable for T where
T: UseSpecializedDecodable,
[src]
impl<T> Decodable for T where
T: UseSpecializedDecodable,
fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where
D: Decoder,
[src]
fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where
D: Decoder,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<E> SpecializationError for E
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impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
[src]
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S
is the encoder/decoder state type, T
is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more
impl<T> Erased for T
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impl<T> Erased for T
impl<T> Send for T where
T: ?Sized,
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impl<T> Send for T where
T: ?Sized,
impl<T> Sync for T where
T: ?Sized,
[src]
impl<T> Sync for T where
T: ?Sized,
impl<T> Erased for T
impl<T> Erased for T