Struct MemoryStore 

pub struct MemoryStore<K, V>(/* private fields */);

A non-persistent implementation of Store

This can be useful for testing, or in settings, in which the data should not be stored, for example when running as a command line tool in CI

Trait Implementations

impl<V: Clone> AppendableStore for MemoryStore<u64, V>

fn append(&self, value: V) -> u64

Insert a value into the store and return the index

impl<K: Ord, V: Clone> AsyncStoreRead for MemoryStore<K, V>

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

Returns the value associated with key from the Store

async fn len(&self) -> usize

Returns the number of elements in the Store

fn is_empty(&self) -> impl Future<Output = bool>

Returns true, if the store is empty

impl<K: Ord, V: Clone> AsyncStoreWrite for MemoryStore<K, V>

async fn insert(&self, key: K, value: V)

Insert a value into the store

impl<K: Clone, V: Clone> Clone for MemoryStore<K, V>

fn clone(&self) -> MemoryStore<K, V>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K: Debug, V: Debug> Debug for MemoryStore<K, V>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<K, V> Default for MemoryStore<K, V>

fn default() -> Self

Returns the “default value” for a type.

impl<K: Ord + Clone, V: Clone> OrderedStoreRead for MemoryStore<K, V>

fn last(&self) -> Option<(K, V)>

Returns the last element in the store

impl<K: Ord + Clone, V: Clone> SearchableStoreRead for MemoryStore<K, V>

fn filter(&self, pred: impl FnMut(&K, &V) -> bool) -> Vec<(K, V)>

Search for all entries in the store, that fulfill a certain predicate

fn find( &self, pred: impl FnMut(&Self::Key, &Self::Value) -> bool, ) -> Option<(Self::Key, Self::Value)>

impl<K, V> StoreBase for MemoryStore<K, V>

type Key = K

type Value = V

impl<K: Ord, V: Clone> StoreRead for MemoryStore<K, V>

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

Returns the value associated with key from the Store

fn len(&self) -> usize

Returns the number of elements in the Store

fn is_empty(&self) -> bool

Returns true, if the store is empty

impl<K: Ord, V: Clone> StoreWrite for MemoryStore<K, V>

fn insert(&self, key: K, value: V)

Insert a value into the store

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

Remove a value from the store