Struct network_collections::least_recently_used_cache::LeastRecentlyUsedCacheWithExpiry

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

A least recently used cache with expiry of items.

Expiry is only checked on access.

Methods

impl<K: Eq + Hash, V> LeastRecentlyUsedCacheWithExpiry<K, V>

pub fn new(maximum_capacity: usize, expiry_period: MillisecondDuration) -> Self

The expiry_period can be zero; entries are considered to be expired when this is exceeded.

pub fn get(&mut self, now: MonotonicMillisecondTimestamp, key: &K) -> Option<&V>

Gets a value.

pub fn get_mut(     &mut self,     now: MonotonicMillisecondTimestamp,     key: &K ) -> Option<&mut V>

Gets a value that can be mutated.

pub fn insert(&mut self, now: MonotonicMillisecondTimestamp, key: K, value: V)

Insert an item.

Trait Implementations

impl<K: Debug + Eq + Hash, V: Debug> Debug for LeastRecentlyUsedCacheWithExpiry<K, V>

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

Formats the value using the given formatter.