Struct StringInterner 

pub struct StringInterner { /* private fields */ }

Thread-safe string interning system

Implementations

impl StringInterner

pub fn new() -> Self

Create a new string interner

pub fn get_or_intern(&self, s: &str) -> StateId

Intern a string and return its ID

If the string is already interned, returns the existing ID. Otherwise, creates a new ID and stores the string.

pub fn get_string(&self, id: StateId) -> Option<String>

Get the string for a given ID

Returns None if the ID is invalid.

pub fn len(&self) -> usize

Get the number of interned strings

pub fn is_empty(&self) -> bool

Check if the interner is empty

pub fn iter(&self) -> Vec<(StateId, String)>

Get all interned strings with their IDs

pub fn estimate_memory_usage(&self) -> usize

Estimate memory usage of the interner

Trait Implementations

impl Clone for StringInterner

fn clone(&self) -> StringInterner

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StringInterner

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

Formats the value using the given formatter.

impl Default for StringInterner

fn default() -> Self

Returns the “default value” for a type.