Struct rustc_data_structures::snapshot_map::SnapshotMap

pub struct SnapshotMap<K, V> where K: Hash + Clone + Eq { /* fields omitted */ }

🔬 This is a nightly-only experimental API. (rustc_private)

Methods

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

fn new() -> Self

🔬 This is a nightly-only experimental API. (rustc_private)

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

🔬 This is a nightly-only experimental API. (rustc_private)

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

🔬 This is a nightly-only experimental API. (rustc_private)

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

🔬 This is a nightly-only experimental API. (rustc_private)

fn snapshot(&mut self) -> Snapshot

🔬 This is a nightly-only experimental API. (rustc_private)

fn commit(&mut self, snapshot: Snapshot)

🔬 This is a nightly-only experimental API. (rustc_private)

fn partial_rollback<F>(&mut self, snapshot: &Snapshot, should_revert_key: &F) where F: Fn(&K) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn rollback_to(&mut self, snapshot: Snapshot)

🔬 This is a nightly-only experimental API. (rustc_private)

Trait Implementations

impl<'k, K, V> Index<&'k K> for SnapshotMap<K, V> where K: Hash + Clone + Eq

type Output = V

The returned type after indexing

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

The method for the indexing (container[index]) operation