InPlace in rustc_data_structures::unify - Rust
Description: Backing store for an in-place unification table. Not typically used directly.

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## InPlace

# Struct InPlace

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    pub struct InPlace<K, V = Vec<VarValue<K>>, L = VecLog<UndoLog<Delegate<K>>>>where
        K: UnifyKey,
        V: VecLike<Delegate<K>>,{
        pub(crate) values: SnapshotVec<Delegate<K>, V, L>,
    }

Expand description

Backing store for an in-place unification table. Not typically used directly.

## Fields§

§`values: SnapshotVec<Delegate<K>, V, L>`

## Trait Implementations§

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### impl<K, V, L> Clone for InPlace<K, V, L>
where K: Clone + UnifyKey, V: Clone + VecLike<Delegate<K>>, L: Clone,

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#### fn clone(&self) -> InPlace<K, V, L>

Returns a duplicate 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<K, V, L> Debug for InPlace<K, V, L>
where K: Debug + UnifyKey, V: Debug + VecLike<Delegate<K>>, L: Debug,

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

Formats the value using the given formatter. Read more
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### impl<K, V, L> Default for InPlace<K, V, L>
where K: UnifyKey, V: VecLike<Delegate<K>> + Default, L: Default,

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#### fn default() -> InPlace<K, V, L>

Returns the “default value” for a type. Read more
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### impl<K, V, L> Index<usize> for InPlace<K, V, L>
where V: VecLike<Delegate<K>>, K: UnifyKey,

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#### type Output = VarValue<K>

The returned type after indexing.
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#### fn index(&self, index: usize) -> &VarValue<K>

Performs the indexing (`container[index]`) operation. Read more
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### impl<K, V, L> UnificationStore for InPlace<K, V, L>
where K: UnifyKey, V: VecLike<Delegate<K>>, L: Snapshots<UndoLog<Delegate<K>>>,

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#### type Snapshot = Snapshot<<L as Snapshots<UndoLog<Delegate<K>>>>::Snapshot>

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#### fn start_snapshot( &mut self, ) -> Snapshot<<L as Snapshots<UndoLog<Delegate<K>>>>::Snapshot>

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#### fn rollback_to( &mut self, snapshot: Snapshot<<L as Snapshots<UndoLog<Delegate<K>>>>::Snapshot>, )

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#### fn commit( &mut self, snapshot: Snapshot<<L as Snapshots<UndoLog<Delegate<K>>>>::Snapshot>, )

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#### fn values_since_snapshot( &self, snapshot: &Snapshot<<L as Snapshots<UndoLog<Delegate<K>>>>::Snapshot>, ) -> Range<usize>

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### impl<K, V, L> UnificationStoreBase for InPlace<K, V, L>
where K: UnifyKey, V: VecLike<Delegate<K>>,

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#### type Key = K

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#### type Value = <K as UnifyKey>::Value

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#### fn len(&self) -> usize

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#### fn tag() -> &'static str

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### impl<K, V, L> UnificationStoreMut for InPlace<K, V, L>
where K: UnifyKey, V: VecLike<Delegate<K>>, L: UndoLogs<UndoLog<Delegate<K>>>,

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#### fn reset_unifications(&mut self, value: impl FnMut(u32) -> VarValue<K>)

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#### fn push(&mut self, value: VarValue<K>)

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#### fn reserve(&mut self, num_new_values: usize)

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#### fn update<F>(&mut self, index: usize, op: F)
where F: FnOnce(&mut VarValue<K>),

## Auto Trait Implementations§

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### impl<K, V, L> DynSend for InPlace<K, V, L>
where V: DynSend, L: DynSend, K: DynSend,

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### impl<K, V, L> DynSync for InPlace<K, V, L>
where V: DynSync, L: DynSync, K: DynSync,

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### impl<K, V, L> Freeze for InPlace<K, V, L>
where V: Freeze, L: Freeze,

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### impl<K, V, L> RefUnwindSafe for InPlace<K, V, L>
where V: RefUnwindSafe, L: RefUnwindSafe, K: RefUnwindSafe,

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### impl<K, V, L> Send for InPlace<K, V, L>
where V: Send, L: Send, K: Send,

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### impl<K, V, L> Sync for InPlace<K, V, L>
where V: Sync, L: Sync, K: Sync,

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### impl<K, V, L> Unpin for InPlace<K, V, L>
where V: Unpin, L: Unpin, K: Unpin,

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### impl<K, V, L> UnsafeUnpin for InPlace<K, V, L>
where V: UnsafeUnpin, L: UnsafeUnpin,

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### impl<K, V, L> UnwindSafe for InPlace<K, V, L>
where V: UnwindSafe, L: UnwindSafe, K: UnwindSafe,

## Blanket Implementations§

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### impl<T> Aligned for T

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#### const ALIGN: Alignment = const ALIGN: Alignment = Alignment::of::<Self>();

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<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, dest: *mut u8)

🔬This is a nightly-only experimental API. (`clone_to_uninit`)
Performs copy-assignment from `self` to `dest`. 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> Instrument for T

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

Instruments this type with the provided `Span`, returning an `Instrumented` wrapper. Read more
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#### fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more
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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> IntoEither for T

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#### fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts `self` into a `Left` variant of `Either<Self, Self>` if `into_left` is `true`. Converts `self` into a `Right` variant of `Either<Self, Self>` otherwise. Read more
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#### fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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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### impl<T> Pointable for T

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#### const ALIGN: usize

The alignment of pointer.
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#### type Init = T

The type for initializers.
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#### unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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#### unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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#### unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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#### unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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<T> WithSubscriber for T

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#### fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided `Subscriber` to this type, returning a `WithDispatch` wrapper. Read more
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#### fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default `Subscriber` to this type, returning a `WithDispatch` wrapper. Read more

## 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.