[−][src]Trait rustc_ap_rustc_data_structures::unify::UnificationStore

pub trait UnificationStore: UnificationStoreMut {
    type Snapshot;
    fn start_snapshot(&mut self) -> Self::Snapshot;

    fn rollback_to(&mut self, snapshot: Self::Snapshot);

    fn commit(&mut self, snapshot: Self::Snapshot);

    fn values_since_snapshot(&self, snapshot: &Self::Snapshot) -> Range<usize>ⓘ
Notable traits for Range<A>
impl<A> Iterator for Range<A> where
    A: Step,     type Item = A;
;
}

Associated Types

type Snapshot

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Required methods

fn start_snapshot(&mut self) -> Self::Snapshot

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

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

fn values_since_snapshot(&self, snapshot: &Self::Snapshot) -> Range<usize>ⓘ

Notable traits for Range<A>

impl<A> Iterator for Range<A> where
    A: Step,  type Item = A;

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Implementors

impl<K, V, L> UnificationStore for InPlace<K, V, L> where
    K: UnifyKey,
    L: Snapshots<UndoLog<Delegate<K>>>,
    V: VecLike<Delegate<K>>, [src]

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

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