Struct Counter

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

Simple counter with ability to notify task on reaching specific number

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

Implementations

impl Counter

pub fn new(capacity: usize) -> Self

Create Counter instance with max value.

pub fn get(&self) -> CounterGuard

Create new counter guard, incrementing the counter.

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

Returns true if counter is below capacity. Otherwise, register to wake task when it is.

pub fn total(&self) -> usize

Get total number of acquired guards.

Trait Implementations

impl Clone for Counter

fn clone(&self) -> Counter

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Counter

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

Formats the value using the given formatter.