Struct UsizeCount 

pub struct UsizeCount { /* private fields */ }

Single-threaded reference counter for entries.

Implementations

impl UsizeCount

pub fn new(initial: usize) -> Self

pub fn is_zero(&self) -> bool

Returns true if the current count is zero.

Trait Implementations

impl Count for UsizeCount

type Token<'a> = Token<'a, UsizeCount> where Self: 'a

The token type minted by this counter.

fn get(&self) -> Self::Token<'static>

Acquire one counted reference and return a linear token for it.

fn put<'a>(&'a self, t: Self::Token<'a>) -> bool

Return (consume) a previously acquired token. Returns true if the count is now zero.

impl Debug for UsizeCount

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

Formats the value using the given formatter.