Struct rustc_data_structures::snapshot_map::SnapshotMap

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pub struct SnapshotMap<K, V, M = FxHashMap<K, V>, L = VecLog<UndoLog<K, V>>> {
    map: M,
    undo_log: L,
    _marker: PhantomData<(K, V)>,
}

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§map: M§undo_log: L§_marker: PhantomData<(K, V)>

Implementations§

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impl<K, V, M, L> SnapshotMap<K, V, M, L>

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pub fn with_log<L2>(&mut self, undo_log: L2) -> SnapshotMap<K, V, &mut M, L2>

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impl<K, V, M, L> SnapshotMap<K, V, M, L>
where K: Hash + Clone + Eq, M: BorrowMut<FxHashMap<K, V>> + Borrow<FxHashMap<K, V>>, L: UndoLogs<UndoLog<K, V>>,

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pub fn clear(&mut self)

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pub fn insert(&mut self, key: K, value: V) -> bool

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pub fn remove(&mut self, key: K) -> bool

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pub fn get(&self, key: &K) -> Option<&V>

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impl<K, V> SnapshotMap<K, V>
where K: Hash + Clone + Eq,

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pub fn snapshot(&mut self) -> Snapshot

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pub fn commit(&mut self, snapshot: Snapshot)

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pub fn rollback_to(&mut self, snapshot: Snapshot)

Trait Implementations§

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impl<K: Clone, V: Clone, M: Clone, L: Clone> Clone for SnapshotMap<K, V, M, L>

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fn clone(&self) -> SnapshotMap<K, V, M, L>

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<K, V, M, L> Default for SnapshotMap<K, V, M, L>
where M: Default, L: Default,

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'k, K, V, M, L> Index<&'k K> for SnapshotMap<K, V, M, L>
where K: Hash + Clone + Eq, M: Borrow<FxHashMap<K, V>>,

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type Output = V

The returned type after indexing.
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fn index(&self, key: &'k K) -> &V

Performs the indexing (container[index]) operation. Read more
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impl<K, V, M, L> Rollback<UndoLog<K, V>> for SnapshotMap<K, V, M, L>
where K: Eq + Hash, M: Rollback<UndoLog<K, V>>,

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fn reverse(&mut self, undo: UndoLog<K, V>)

Auto Trait Implementations§

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impl<K, V, M, L> Freeze for SnapshotMap<K, V, M, L>
where M: Freeze, L: Freeze,

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impl<K, V, M, L> RefUnwindSafe for SnapshotMap<K, V, M, L>

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impl<K, V, M, L> Send for SnapshotMap<K, V, M, L>
where M: Send, L: Send, K: Send, V: Send,

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impl<K, V, M, L> Sync for SnapshotMap<K, V, M, L>
where M: Sync, L: Sync, K: Sync, V: Sync,

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impl<K, V, M, L> Unpin for SnapshotMap<K, V, M, L>
where M: Unpin, L: Unpin, K: Unpin, V: Unpin,

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impl<K, V, M, L> UnwindSafe for SnapshotMap<K, V, M, L>

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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default 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> 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> 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>,

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where T: ?Sized,

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