pub enum AllocError {
    ScalarSizeMismatch(ScalarSizeMismatch),
    ReadPointerAsBytes,
    PartialPointerOverwrite(Size),
    PartialPointerCopy(Size),
    InvalidUninitBytes(Option<UninitBytesAccess>),
}
Expand description

We have our own error type that does not know about the AllocId; that information is added when converting to InterpError.

Variants§

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ScalarSizeMismatch(ScalarSizeMismatch)

A scalar had the wrong size.

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ReadPointerAsBytes

Encountered a pointer where we needed raw bytes.

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PartialPointerOverwrite(Size)

Partially overwriting a pointer.

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PartialPointerCopy(Size)

Partially copying a pointer.

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InvalidUninitBytes(Option<UninitBytesAccess>)

Using uninitialized data where it is not allowed.

Implementations§

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impl AllocError

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pub fn to_interp_error<'tcx>(self, alloc_id: AllocId) -> InterpError<'tcx>

Trait Implementations§

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impl Debug for AllocError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<ScalarSizeMismatch> for AllocError

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fn from(s: ScalarSizeMismatch) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, R> InternIteratorElement<T, R> for T

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type Output = R

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fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere
I: Iterator<Item = T>,
F: FnOnce(&[T]) -> R,

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impl<T, U> Into<U> for Twhere
U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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impl<'tcx, T> ToPredicate<'tcx, T> for T

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fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T

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impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<Tcx, T, D> Value<Tcx, D> for Twhere
Tcx: DepContext,
D: DepKind,

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default fn from_cycle_error(tcx: Tcx, _: &[QueryInfo<D>]) -> T

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: 40 bytes

Size for each variant:

  • ScalarSizeMismatch: 24 bytes
  • ReadPointerAsBytes: 0 bytes
  • PartialPointerOverwrite: 16 bytes
  • PartialPointerCopy: 16 bytes
  • InvalidUninitBytes: 40 bytes