Struct ParseCache 

pub struct ParseCache { /* private fields */ }

LRU parse cache for declaration re-use

Implementations

impl ParseCache

pub fn new(max_entries: usize) -> Self

Create a new cache with the given maximum number of entries

pub fn lookup(&mut self, text: &str) -> Option<&CacheEntry>

Look up a cached entry by source text

pub fn insert(&mut self, text: &str, name: Option<String>)

Insert a new entry into the cache

pub fn hit_rate(&self) -> f64

Fraction of lookups that were cache hits (0.0 if no lookups yet)

pub fn len(&self) -> usize

Number of entries in the cache

pub fn is_empty(&self) -> bool

True if the cache is empty

pub fn evict_lru(&mut self)

Evict the entry with the lowest hit_count if over capacity

pub fn clear(&mut self)

Clear all entries and reset statistics

Trait Implementations

impl Default for ParseCache

fn default() -> Self

Returns the “default value” for a type.