Enum rustc::ty::adjustment::Adjust

pub enum Adjust<'tcx> {
    NeverToAny,
    ReifyFnPointer,
    UnsafeFnPointer,
    ClosureFnPointer,
    MutToConstPointer,
    Deref(Option<OverloadedDeref<'tcx>>),
    Borrow(AutoBorrow<'tcx>),
    Unsize,
}

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Variants

NeverToAny

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Go from ! to any type.

ReifyFnPointer

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Go from a fn-item type to a fn-pointer type.

UnsafeFnPointer

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Go from a safe fn pointer to an unsafe fn pointer.

ClosureFnPointer

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Go from a non-capturing closure to an fn pointer.

MutToConstPointer

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Go from a mut raw pointer to a const raw pointer.

Deref(Option<OverloadedDeref<'tcx>>)

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Dereference once, producing an lvalue.

Borrow(AutoBorrow<'tcx>)

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Take the address and produce either a & or * pointer.

Unsize

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Unsize a pointer/reference value, e.g. &[T; n] to &[T]. Note that the source could be a thin or fat pointer. This will do things like convert thin pointers to fat pointers, or convert structs containing thin pointers to structs containing fat pointers, or convert between fat pointers. We don't store the details of how the transform is done (in fact, we don't know that, because it might depend on the precise type parameters). We just store the target type. Trans figures out what has to be done at monomorphization time based on the precise source/target type at hand.

Trait Implementations

impl<'gcx> HashStable<StableHashingContext<'gcx>> for Adjust<'gcx>

fn hash_stable<W: StableHasherResult>(
    &self,
    hcx: &mut StableHashingContext<'gcx>,
    hasher: &mut StableHasher<W>
)

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impl<'tcx> Clone for Adjust<'tcx>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'tcx> Debug for Adjust<'tcx>

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

Formats the value using the given formatter.

impl<'tcx> Encodable for Adjust<'tcx>

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

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impl<'tcx> Decodable for Adjust<'tcx>

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

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

type Lifted = Adjust<'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 Adjust<'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.