Struct kernel::sync::event_bus::EventBus

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pub struct EventBus {
    event: Event,
    callback_list: Vec<Box<dyn Fn(Event) -> bool + Send>>,
}
Expand description

The EventBus structsupports publish-subscribe-style communication between different tasks.

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§event: Event§callback_list: Vec<Box<dyn Fn(Event) -> bool + Send>>

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impl EventBus

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pub fn new() -> Arc<Mutex<Self>>

Creates a new event bus.

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pub fn push(&mut self, event: Event)

Publishes an event on the event bus.

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pub fn clear(&mut self, event: Event)

Clears an event from the event bus.

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pub fn subscribe(&mut self, callback: Box<dyn Fn(Event) -> bool + Send>)

Subscribes to events on the event bus and executes the given callback function when an event is published.

Trait Implementations§

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impl Default for EventBus

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fn default() -> EventBus

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

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

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

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 Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.