Struct OptionCache 

pub struct OptionCache { /* private fields */ }

Cache that stores optional values (present or absent).

Implementations

impl OptionCache

pub fn new() -> Self

pub fn set_some(&mut self, key: &str, value: &str)

pub fn set_none(&mut self, key: &str)

pub fn get(&mut self, key: &str) -> Option<Option<&str>>

pub fn has_key(&self, key: &str) -> bool

pub fn remove(&mut self, key: &str) -> bool

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn hits(&self) -> u64

pub fn misses(&self) -> u64

pub fn hit_rate(&self) -> f32

pub fn clear(&mut self)

pub fn present_count(&self) -> usize

pub fn absent_count(&self) -> usize

Trait Implementations

impl Default for OptionCache

fn default() -> Self

Returns the “default value” for a type.