Struct StringInterner 

pub struct StringInterner { /* private fields */ }

Interns strings to save memory (each unique string stored once).

Implementations

impl StringInterner

pub fn new() -> Self

Creates a new string interner.

pub fn intern(&mut self, s: &str) -> u32

Interns s and returns its ID.

pub fn get(&self, id: u32) -> Option<&str>

Returns the string for id.

pub fn len(&self) -> usize

Returns the total number of interned strings.

pub fn is_empty(&self) -> bool

Returns true if empty.

Trait Implementations

impl Default for StringInterner

fn default() -> Self

Returns the “default value” for a type.