Struct Counter

pub struct Counter(/* private fields */);

Simple counter with ability to notify task on reaching specific number

Counter could be cloned, total count is shared across all clones.

Implementations

impl Counter

pub fn new(capacity: usize) -> Self

Create Counter instance and set max value.

pub fn get(&self) -> CounterGuard

Get counter guard.

pub async fn available(&self)

Check if counter is not at capacity. If counter at capacity it registers notification for current task.

pub fn poll_available(&self, cx: &mut Context<'_>) -> bool

Check if counter is not at capacity. If counter at capacity it registers notification for current task.

pub fn total(&self) -> usize

Get total number of acquired counts

Trait Implementations

impl Debug for Counter

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

Formats the value using the given formatter.