Trait rustc_data_structures::unify::UnificationStore

pub trait UnificationStore: UnificationStoreMut {
    type Snapshot;

    // 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>;
}

Required Associated Types

type Snapshot

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>

Object Safety

This trait is not object safe.

Implementors

impl<K, V, L> UnificationStore for InPlace<K, V, L>

where K: UnifyKey, V: VecLike<Delegate<K>>, L: Snapshots<UndoLog<Delegate<K>>>,

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