# Enum miri::borrow_tracker::stacked_borrows::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

§`perm: Permission`
§`access: Option<AccessKind>`
§`protector: Option<ProtectorKind>`
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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

## Auto Trait Implementations§

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### impl RefUnwindSafe for NewPermission

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### impl Send for NewPermission

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### impl Sync for NewPermission

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### impl Unpin for NewPermission

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### impl UnwindSafe for NewPermission

## 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> 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: 6 bytes

Size for each variant:

- `Uniform`: 3 bytes
- `FreezeSensitive`: 5 bytes