Struct rustc::ty::ExistentialProjection
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pub struct ExistentialProjection<'tcx> { pub trait_ref: ExistentialTraitRef<'tcx>, pub item_name: Name, pub ty: Ty<'tcx>, }
🔬 This is a nightly-only experimental API. (
rustc_private
)A ProjectionPredicate
for an ExistentialTraitRef
.
Fields
trait_ref: ExistentialTraitRef<'tcx>
🔬 This is a nightly-only experimental API. (
rustc_private
)item_name: Name
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rustc_private
)ty: Ty<'tcx>
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rustc_private
)Methods
impl<'a, 'tcx, 'gcx> ExistentialProjection<'tcx>
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fn item_name(&self) -> Name
🔬 This is a nightly-only experimental API. (
rustc_private
)fn sort_key(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> (u64, InternedString)
🔬 This is a nightly-only experimental API. (
rustc_private
)fn with_self_ty(&self,
tcx: TyCtxt<'a, 'gcx, 'tcx>,
self_ty: Ty<'tcx>)
-> ProjectionPredicate<'tcx>
tcx: TyCtxt<'a, 'gcx, 'tcx>,
self_ty: Ty<'tcx>)
-> ProjectionPredicate<'tcx>
🔬 This is a nightly-only experimental API. (
rustc_private
)Trait Implementations
impl<'tcx> Relate<'tcx> for ExistentialProjection<'tcx>
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fn relate<'a, 'gcx, R>(relation: &mut R,
a: &ExistentialProjection<'tcx>,
b: &ExistentialProjection<'tcx>)
-> RelateResult<'tcx, ExistentialProjection<'tcx>> where R: TypeRelation<'a, 'gcx, 'tcx>, 'gcx: 'a + 'tcx, 'tcx: 'a
a: &ExistentialProjection<'tcx>,
b: &ExistentialProjection<'tcx>)
-> RelateResult<'tcx, ExistentialProjection<'tcx>> where R: TypeRelation<'a, 'gcx, 'tcx>, 'gcx: 'a + 'tcx, 'tcx: 'a
🔬 This is a nightly-only experimental API. (
rustc_private
)impl<'a, 'tcx> Lift<'tcx> for ExistentialProjection<'a>
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type Lifted = ExistentialProjection<'tcx>
🔬 This is a nightly-only experimental API. (
rustc_private
)fn lift_to_tcx<'b, 'gcx>(&self,
tcx: TyCtxt<'b, 'gcx, 'tcx>)
-> Option<Self::Lifted>
tcx: TyCtxt<'b, 'gcx, 'tcx>)
-> Option<Self::Lifted>
🔬 This is a nightly-only experimental API. (
rustc_private
)impl<'tcx> TypeFoldable<'tcx> for ExistentialProjection<'tcx>
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fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self,
folder: &mut F)
-> Self
folder: &mut F)
-> Self
🔬 This is a nightly-only experimental API. (
rustc_private
)fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self,
folder: &mut F)
-> Self
folder: &mut F)
-> Self
🔬 This is a nightly-only experimental API. (
rustc_private
)fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn has_regions_escaping_depth(&self, depth: u32) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn has_escaping_regions(&self) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn has_type_flags(&self, flags: TypeFlags) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn has_projection_types(&self) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn references_error(&self) -> bool
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rustc_private
)fn has_param_types(&self) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn has_self_ty(&self) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn has_infer_types(&self) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)fn needs_infer(&self) -> bool
🔬 This is a nightly-only experimental API. (
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)fn needs_subst(&self) -> bool
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)fn has_re_skol(&self) -> bool
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rustc_private
)fn has_closure_types(&self) -> bool
🔬 This is a nightly-only experimental API. (
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)fn has_erasable_regions(&self) -> bool
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)fn is_normalized_for_trans(&self) -> bool
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rustc_private
)fn is_global(&self) -> bool
🔬 This is a nightly-only experimental API. (
rustc_private
)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. Errs on the side of returning false. Read more
impl<'tcx> Clone for ExistentialProjection<'tcx>
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fn clone(&self) -> ExistentialProjection<'tcx>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl<'tcx> Copy for ExistentialProjection<'tcx>
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impl<'tcx> PartialEq for ExistentialProjection<'tcx>
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fn eq(&self, __arg_0: &ExistentialProjection<'tcx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &ExistentialProjection<'tcx>) -> bool
This method tests for !=
.
impl<'tcx> Eq for ExistentialProjection<'tcx>
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impl<'tcx> Hash for ExistentialProjection<'tcx>
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
Feeds this value into the state given, updating the hasher as necessary.
fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher
1.3.0
Feeds a slice of this type into the state provided.
impl<'tcx> Debug for ExistentialProjection<'tcx>
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impl<'tcx> Encodable for ExistentialProjection<'tcx>
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fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>
🔬 This is a nightly-only experimental API. (rustc_private
)
deprecated in favor of rustc-serialize on crates.io
impl<'tcx> Decodable for ExistentialProjection<'tcx>
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fn decode<__D: Decoder>(__arg_0: &mut __D)
-> Result<ExistentialProjection<'tcx>, __D::Error>
-> Result<ExistentialProjection<'tcx>, __D::Error>
🔬 This is a nightly-only experimental API. (rustc_private
)
deprecated in favor of rustc-serialize on crates.io