Struct StringInterner 

pub struct StringInterner { /* private fields */ }

String interner — maps strings to compact IDs

Implementations

impl StringInterner

pub fn new() -> Self

Create an empty interner

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

Intern a string, returning a deduplicated ID

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

Look up the string for a given ID

pub fn len(&self) -> usize

Number of unique strings interned

pub fn is_empty(&self) -> bool

True if no strings have been interned

pub fn contains(&self, s: &str) -> bool

True if the given string has already been interned

pub fn memory_bytes(&self) -> usize

Estimated memory usage in bytes

Trait Implementations

impl Default for StringInterner

fn default() -> Self

Returns the “default value” for a type.