Struct StringInterner 

pub struct StringInterner { /* private fields */ }

String interner for deduplicating strings

Implementations

impl StringInterner

pub fn new() -> Self

pub fn with_capacity(cap: usize) -> Self

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

Intern a string, returning its ID If the string is already interned, returns the existing ID

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

Get a string by its ID

pub fn resolve(&self, id: StringId) -> &str

Get a string by its ID, panicking if invalid

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

Check if a string is already interned

pub fn get_id(&self, s: &str) -> Option<StringId>

Get the ID of an already-interned string without interning

pub fn len(&self) -> usize

Returns the number of interned strings

pub fn is_empty(&self) -> bool

Returns true if no strings are interned

pub fn memory_usage(&self) -> usize

Returns memory usage in bytes (approximate)

pub fn clear(&mut self)

Clear all interned strings

pub fn iter(&self) -> impl Iterator<Item = (StringId, &str)> + '_

Iterate over all interned strings with their IDs

pub fn stats(&self) -> InternerStats

Get statistics about the interner

Trait Implementations

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.