Struct TypedMapShard 

pub struct TypedMapShard<'a, K: Key + Send + Sync + Hash + Eq, T: Send + Sync, C: Codec<T>, H: TypedWriteHook<K, T> = NoHook> { /* private fields */ }

Handle for atomic multi-key operations within a single shard. Obtained via TypedMap::atomic. The shard + index locks are held for the lifetime of this struct — keep the closure short.

Implementations

impl<K: Key + Send + Sync + Hash + Eq, T: Send + Sync, C: Codec<T> + Sync, H: TypedWriteHook<K, T>> TypedMapShard<'_, K, T, C, H>

pub fn put(&mut self, key: &K, value: T) -> DbResult<Option<TypedRef<'_, T>>>

pub fn insert(&mut self, key: &K, value: T) -> DbResult<()>

pub fn delete(&mut self, key: &K) -> DbResult<Option<TypedRef<'_, T>>>

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

pub fn get_or_err(&self, key: &K) -> DbResult<&T>

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