Struct Interner

pub struct Interner<T>
where
    T: Hash + Eq,
{ /* private fields */ }

Available on crate feature blob only.

A hastable based interner that allows

Implementations

impl<T> Interner<T>

where T: Hash + Eq,

pub fn new_for_token_source<S>(before: &S, after: &S) -> Interner<T>

where S: TokenSource<Token = T>,

Create an Interner with an intial capacity calculated by calling estimate_tokens methods of before and after

pub fn new(capacity: usize) -> Interner<T>

Create an Interner with inital capacity capacity.

pub fn clear(&mut self)

Remove all interned tokens

pub fn intern(&mut self, token: T) -> Token

Intern token and return a the interned integer

pub fn num_tokens(&self) -> u32

Returns to total number of distinct tokens currently interned.

pub fn erase_tokens_after(&mut self, first_erased_token: Token)

Erases first_erased_token and any tokens interned afterwards from the interner.

Trait Implementations

impl<T> Default for Interner<T>

where T: Default + Hash + Eq,

fn default() -> Interner<T>

Returns the “default value” for a type.

impl<T> Index<Token> for Interner<T>

where T: Hash + Eq,

type Output = T

The returned type after indexing.

fn index(&self, index: Token) -> &<Interner<T> as Index<Token>>::Output

Performs the indexing (container[index]) operation.