Struct rustc::ty::adjustment::OverloadedDeref

pub struct OverloadedDeref<'tcx> {
    pub region: Region<'tcx>,
    pub mutbl: Mutability,
}

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An overloaded autoderef step, representing a Deref(Mut)::deref(_mut) call, with the signature &'a T -> &'a U or &'a mut T -> &'a mut U. The target type is U in both cases, with the region and mutability being those shared by both the receiver and the returned reference.

Fields

region: Region<'tcx>

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mutbl: Mutability

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Methods

impl<'a, 'gcx, 'tcx> OverloadedDeref<'tcx>

pub fn method_call(
    &self,
    tcx: TyCtxt<'a, 'gcx, 'tcx>,
    source: Ty<'tcx>
) -> (DefId, &'tcx Substs<'tcx>)

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Trait Implementations

impl<'tcx> HashStable<StableHashingContext<'tcx>> for OverloadedDeref<'tcx>

fn hash_stable<W: StableHasherResult>(
    &self,
    __ctx: &mut StableHashingContext<'tcx>,
    __hasher: &mut StableHasher<W>
)

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impl<'tcx> Copy for OverloadedDeref<'tcx>

impl<'tcx> Clone for OverloadedDeref<'tcx>

fn clone(&self) -> OverloadedDeref<'tcx>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'tcx> PartialEq for OverloadedDeref<'tcx>

fn eq(&self, __arg_0: &OverloadedDeref<'tcx>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &OverloadedDeref<'tcx>) -> bool

This method tests for !=.

impl<'tcx> Debug for OverloadedDeref<'tcx>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'tcx> Encodable for OverloadedDeref<'tcx>

fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>

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impl<'tcx> Decodable for OverloadedDeref<'tcx>

fn decode<__D: Decoder>(
    __arg_0: &mut __D
) -> Result<OverloadedDeref<'tcx>, __D::Error>

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

type Lifted = OverloadedDeref<'tcx>

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

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impl<'tcx> TypeFoldable<'tcx> for OverloadedDeref<'tcx>

fn super_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 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

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fn has_regions_escaping_depth(&self, depth: u32) -> 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_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 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_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&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. Errs on the side of returning false.