Enum EvictionPolicy 

pub enum EvictionPolicy {
    LRU,
    LFU,
    FIFO,
    LargestFirst,
    OldestFirst,
}

Eviction policy for cache cleanup

Variants

LRU

Least Recently Used

LFU

Least Frequently Used

FIFO

First In First Out

LargestFirst

Largest First

OldestFirst

Oldest First (by creation time)

Implementations

impl EvictionPolicy

pub fn sort_for_eviction<'a>(&self, entries: &mut [&'a CacheEntry])

Sort entries by eviction priority (lowest priority first)

Trait Implementations

impl Clone for EvictionPolicy

fn clone(&self) -> EvictionPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for EvictionPolicy

impl Debug for EvictionPolicy

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

Formats the value using the given formatter.

impl Default for EvictionPolicy

fn default() -> EvictionPolicy

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for EvictionPolicy

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for EvictionPolicy

impl PartialEq for EvictionPolicy

fn eq(&self, other: &EvictionPolicy) -> 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 Serialize for EvictionPolicy

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for EvictionPolicy