miri::borrow_tracker::stacked_borrows

Enum NewPermission

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enum NewPermission {
    Uniform {
        perm: Permission,
        access: Option<AccessKind>,
        protector: Option<ProtectorKind>,
    },
    FreezeSensitive {
        freeze_perm: Permission,
        freeze_access: Option<AccessKind>,
        freeze_protector: Option<ProtectorKind>,
        nonfreeze_perm: Permission,
        nonfreeze_access: Option<AccessKind>,
    },
}
Expand description

Indicates which permissions to grant to the retagged pointer.

Variants§

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Uniform

Fields

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FreezeSensitive

Fields

§freeze_perm: Permission
§freeze_access: Option<AccessKind>
§freeze_protector: Option<ProtectorKind>
§nonfreeze_perm: Permission
§nonfreeze_access: Option<AccessKind>

Implementations§

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impl NewPermission

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fn from_ref_ty<'tcx>( ty: Ty<'tcx>, kind: RetagKind, cx: &MiriInterpCx<'tcx>, ) -> Self

A key function: determine the permissions to grant at a retag for the given kind of reference/pointer.

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fn from_box_ty<'tcx>( ty: Ty<'tcx>, kind: RetagKind, cx: &MiriInterpCx<'tcx>, ) -> Self

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fn protector(&self) -> Option<ProtectorKind>

Trait Implementations§

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impl Clone for NewPermission

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fn clone(&self) -> NewPermission

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 Debug for NewPermission

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

Formats the value using the given formatter. Read more

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Blanket Implementations§

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

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fn borrow(&self) -> &T

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

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

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

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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: 5 bytes

Size for each variant:

  • Uniform: 4 bytes
  • FreezeSensitive: 5 bytes