rustc_data_structures::snapshot_map

Struct SnapshotMap

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

Fields§

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

Implementations§

source§

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

source

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

source§

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>>,

source

pub fn clear(&mut self)

source

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

source

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

source

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

source§

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

source

pub fn snapshot(&mut self) -> Snapshot

source

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

source

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

Trait Implementations§

source§

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

source§

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

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
source§

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

source§

fn default() -> Self

Returns the “default value” for a type. Read more
source§

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>>,

source§

type Output = V

The returned type after indexing.
source§

fn index(&self, key: &'k K) -> &V

Performs the indexing (container[index]) operation. Read more
source§

impl<K, V, M, L> Rollback<UndoLog<K, V>> for SnapshotMap<K, V, M, L>
where K: Eq + Hash, M: Rollback<UndoLog<K, V>>,

source§

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

Auto Trait Implementations§

§

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

§

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

§

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

§

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

§

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

§

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

Blanket Implementations§

source§

impl<T> Aligned for T

source§

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

Alignment of Self.
source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> CloneToUninit for T
where T: Clone,

source§

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
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> Instrument for T

source§

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

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

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> IntoEither for T

source§

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
source§

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
source§

impl<T> ToOwned for T
where T: Clone,

source§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

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

source§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

source§

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

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<T> WithSubscriber for T

source§

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
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<'a, T> Captures<'a> for T
where T: ?Sized,

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.