Enum CacheEvictionPolicy 

pub enum CacheEvictionPolicy {
    Lru,
    Lfu,
    TtlFirst,
}

Policy used to select which entry to evict when the cache is full.

Variants

Lru

Evict the entry that was least recently accessed.

Lfu

Evict the entry with the lowest hit count.

TtlFirst

Evict the entry with the soonest expiry; fall back to LRU when no TTLs.

Trait Implementations

impl Clone for CacheEvictionPolicy

fn clone(&self) -> CacheEvictionPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for CacheEvictionPolicy

impl Debug for CacheEvictionPolicy

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

Formats the value using the given formatter.

impl Default for CacheEvictionPolicy

fn default() -> CacheEvictionPolicy

Returns the “default value” for a type.

impl Eq for CacheEvictionPolicy

impl PartialEq for CacheEvictionPolicy

fn eq(&self, other: &CacheEvictionPolicy) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for CacheEvictionPolicy