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EventQueue

Struct EventQueue 

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pub struct EventQueue { /* private fields */ }
Expand description

A bounded, priority-ordered queue of MediaEvents.

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impl EventQueue

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pub fn new(capacity: usize) -> Self

Create a new EventQueue with the given maximum capacity.

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pub fn push(&mut self, event: MediaEvent) -> bool

Push an event onto the queue.

Returns false if the queue is full (event is discarded).

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

Pop the highest-priority event from the queue.

Returns None if the queue is empty.

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pub fn drain_high_priority(&mut self) -> Vec<MediaEvent>

Drain all events with EventPriority::High or higher into a Vec.

The remaining events stay in the queue.

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pub fn len(&self) -> usize

Returns the number of events currently in the queue.

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pub fn is_empty(&self) -> bool

Returns true if the queue contains no events.

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pub fn capacity(&self) -> usize

Returns the configured capacity.

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impl Debug for EventQueue

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.