Struct Single

pub struct Single<T> {
    state: AtomicUsize,
    slot: UnsafeCell<MaybeUninit<T>>,
}

A single-element queue.

Fields

state: AtomicUsize

slot: UnsafeCell<MaybeUninit<T>>

Implementations

impl<T> Single<T>

pub fn new() -> Single<T>

Creates a new single-element queue.

pub fn push(&self, value: T) -> Result<(), PushError<T>>

Attempts to push an item into the queue.

pub fn force_push(&self, value: T) -> Result<Option<T>, ForcePushError<T>>

Attempts to push an item into the queue, displacing another if necessary.

pub fn pop(&self) -> Result<T, PopError>

Attempts to pop an item from the queue.

pub fn len(&self) -> usize

Returns the number of items in the queue.

pub fn is_empty(&self) -> bool

Returns true if the queue is empty.

pub fn is_full(&self) -> bool

Returns true if the queue is full.

pub fn close(&self) -> bool

Closes the queue.

Returns true if this call closed the queue.

pub fn is_closed(&self) -> bool

Returns true if the queue is closed.

Trait Implementations

impl<T> Drop for Single<T>

fn drop(&mut self)

Executes the destructor for this type.