# Enum rustc_const_eval::interpret::place::Place

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    pub(super) enum Place<Prov: Provenance = CtfeProvenance> {
        Ptr(MemPlace<Prov>),
        Local {
            frame: usize,
            local: Local,
            offset: Option<Size>,
        },
    }

## Variants§

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### Ptr(MemPlace<Prov>)

A place referring to a value allocated in the `Memory` system.

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### Local

#### Fields

§`frame: usize`
§`local: Local`
§`offset: Option<Size>`

To support alloc-free locals, we are able to write directly to a local. The offset indicates where in the local this place is located; if it is `None`, no projection has been applied. Such projections are meaningful even if the offset is 0, since they can change layouts. (Without that optimization, we’d just always be a `MemPlace`.) Note that this only stores the frame index, not the thread this frame belongs to – that is implicit. This means a `Place` must never be moved across interpreter thread boundaries!

This variant shall not be used for unsized types – those must always live in memory.

## Trait Implementations§

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### impl<Prov: Clone + Provenance> Clone for Place<Prov>

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#### fn clone(&self) -> Place<Prov>

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<Prov: Debug + Provenance> Debug for Place<Prov>

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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<Prov: Copy + Provenance> Copy for Place<Prov>

## Auto Trait Implementations§

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### impl<Prov> RefUnwindSafe for Place<Prov>
where Prov: RefUnwindSafe,

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### impl<Prov> Send for Place<Prov>
where Prov: Send,

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### impl<Prov> Sync for Place<Prov>
where Prov: Sync,

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### impl<Prov> Unpin for Place<Prov>
where Prov: Unpin,

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### impl<Prov> UnwindSafe for Place<Prov>
where Prov: UnwindSafe,

## 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> 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.

## Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.