Struct EventQueue 

pub struct EventQueue<E, const N: usize> { /* private fields */ }

Allocation-free FIFO used for deferred and explicitly processed events.

Implementations

impl<E, const N: usize> EventQueue<E, N>

pub const fn new() -> Self

Creates an empty queue.

pub const fn len(&self) -> usize

Returns the number of queued events.

pub const fn is_empty(&self) -> bool

Returns true when no events are queued.

pub fn defer(&mut self, event: E) -> Result<(), QueueFull>

Defers an event until events already in the queue have been processed.

pub fn process(&mut self, event: E) -> Result<(), QueueFull>

Schedules an event ahead of currently deferred events.

pub fn pop(&mut self) -> Option<E>

Removes the next event.

pub fn clear(&mut self)

Drops all queued events.

Trait Implementations

impl<E, const N: usize> Default for EventQueue<E, N>

fn default() -> Self

Returns the “default value” for a type.