Struct PipelineCache 

pub struct PipelineCache {
    pub hits: u64,
    pub misses: u64,
    /* private fields */
}

A simple pipeline cache mapping PipelineCacheKeys to byte blobs (mock: stores a label string for each entry).

Fields

hits: u64

Number of cache hits.

misses: u64

Number of cache misses.

Implementations

impl PipelineCache

pub fn new() -> Self

Create an empty pipeline cache.

pub fn insert(&mut self, key: PipelineCacheKey, label: impl Into<String>)

Insert a pipeline entry.

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

Look up a pipeline. Returns Some(&label) on hit, None on miss.

pub fn len(&self) -> usize

Number of entries in the cache.

pub fn is_empty(&self) -> bool

Returns true when the cache is empty.

pub fn clear(&mut self)

Clear all entries.

pub fn hit_rate(&self) -> f64

Hit rate in [0.0, 1.0].

Trait Implementations

impl Debug for PipelineCache

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

Formats the value using the given formatter.

impl Default for PipelineCache

fn default() -> PipelineCache

Returns the “default value” for a type.