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WatchSender

moirai_async::sync::watch

Struct WatchSender 

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pub struct WatchSender<T> { /* private fields */ }
Expand description

Sender half of watch channel

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impl<T: Clone> WatchSender<T>

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pub fn send(&self, value: T) -> Result<(), WatchError>

Send a new value, notifying all receivers

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pub fn borrow(&self) -> T

Get the current value

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pub fn send_modify<F>(&self, modify: F) -> Result<(), WatchError>
where F: FnOnce(&mut T),

Modify the value in place and notify receivers

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pub fn receiver_count(&self) -> usize

Get the number of active receivers

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impl<T> Drop for WatchSender<T>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

Auto Trait Implementations§

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impl<T> Freeze for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: Freeze,

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impl<T> RefUnwindSafe for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: RefUnwindSafe,

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impl<T> Send for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: Send,

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impl<T> Sync for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: Sync,

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impl<T> Unpin for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: Unpin,

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impl<T> UnsafeUnpin for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: UnsafeUnpin,

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impl<T> UnwindSafe for WatchSender<T>
where Arc<Mutex<WatchState<T>>>: UnwindSafe,

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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 = !

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

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.