Struct TtlCache 

pub struct TtlCache<K, V> { /* private fields */ }

Thread-safe cache with TTL (time-to-live) support for expensive computations

Implementations

impl<K, V> TtlCache<K, V>

where K: Hash + Eq + Clone, V: Clone,

pub fn new(ttl: Duration) -> Self

Create a new TTL cache with specified time-to-live duration

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

Get a value from cache if it exists and hasn’t expired

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

Insert a value into the cache

pub fn get_or_compute<F>(&self, key: K, compute_fn: F) -> V

where F: FnOnce() -> V,

Get or compute a value, caching the result

pub fn cleanup_expired(&self)

Clear expired entries from the cache

pub fn clear(&self)

Clear all entries from the cache

pub fn len(&self) -> usize

Get the number of entries in the cache

pub fn is_empty(&self) -> bool

Check if the cache is empty

pub fn hit_rate(&self) -> f64

Get cache hit rate as a percentage

pub fn cache_stats(&self) -> CacheStats

Get cache statistics

pub fn reset_stats(&self)

Reset cache statistics

Trait Implementations

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

where K: Hash + Eq + Clone, V: Clone,

fn default() -> Self

Returns the “default value” for a type.