Enum EvictionPolicy 

pub enum EvictionPolicy {
    LRU,
    FIFO,
    LFU,
    None,
}

Cache eviction policy

Variants

LRU

Least Recently Used

FIFO

First In First Out

LFU

Least Frequently Used

None

No eviction (cache grows unbounded)

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 Debug for EvictionPolicy

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

Formats the value using the given formatter.

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 Copy for EvictionPolicy

impl Eq for EvictionPolicy

impl StructuralPartialEq for EvictionPolicy