Enum rustc_const_eval::interpret::CtfeValidationMode

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pub enum CtfeValidationMode {
    Static {
        mutbl: Mutability,
    },
    Promoted,
    Const {
        allow_immutable_unsafe_cell: bool,
    },
}
Expand description

Extra things to check for during validation of CTFE results.

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Static

Validation of a static

Fields

§mutbl: Mutability
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Promoted

Validation of a promoted.

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Const

Validation of a const. allow_immutable_unsafe_cell says whether we allow UnsafeCell in immutable memory (which is the case for the top-level allocation of a const, where this is fine because the allocation will be copied at each use site).

Fields

§allow_immutable_unsafe_cell: bool

Implementations§

Trait Implementations§

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impl Clone for CtfeValidationMode

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fn clone(&self) -> CtfeValidationMode

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for CtfeValidationMode

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'a mut [T]

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'a mut [T]

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

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fn instrument(self, span: Span) -> Instrumented<Self>

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Calls U::from(self).

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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type Error = !

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type Output = T

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type Owned = T

The resulting type after obtaining ownership.
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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.
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impl<I, T, U> Upcast<I, U> for T
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fn upcast(self, interner: I) -> U

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impl<Tcx, T> Value<Tcx> for T
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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

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Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 2 bytes

Size for each variant:

  • Static: 1 byte
  • Promoted: 0 bytes
  • Const: 1 byte