[−][src]Struct tokio_sync::watch::Sender
Sends values to the associated Receiver
.
Instances are created by the channel
function.
Methods
impl<T> Sender<T>
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pub fn broadcast(&mut self, value: T) -> Result<(), SendError<T>>
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Broadcast a new value via the channel, notifying all receivers.
pub fn poll_close(&mut self) -> Poll<(), ()>
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Returns Ready
when all receivers have dropped.
This allows the producer to get notified when interest in the produced values is canceled and immediately stop doing work.
Trait Implementations
impl<T> Drop for Sender<T>
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impl<T: Debug> Debug for Sender<T>
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impl<T> Sink for Sender<T>
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type SinkItem = T
The type of value that the sink accepts.
type SinkError = SendError<T>
The type of value produced by the sink when an error occurs.
fn start_send(&mut self, item: T) -> StartSend<T, SendError<T>>
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fn poll_complete(&mut self) -> Poll<(), SendError<T>>
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fn close(&mut self) -> Result<Async<()>, Self::SinkError>
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fn wait(self) -> Wait<Self>
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fn with<U, F, Fut>(self, f: F) -> With<Self, U, F, Fut> where
F: FnMut(U) -> Fut,
Fut: IntoFuture<Item = Self::SinkItem>,
<Fut as IntoFuture>::Error: From<Self::SinkError>,
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F: FnMut(U) -> Fut,
Fut: IntoFuture<Item = Self::SinkItem>,
<Fut as IntoFuture>::Error: From<Self::SinkError>,
fn with_flat_map<U, F, St>(self, f: F) -> WithFlatMap<Self, U, F, St> where
F: FnMut(U) -> St,
St: Stream<Item = Self::SinkItem, Error = Self::SinkError>,
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F: FnMut(U) -> St,
St: Stream<Item = Self::SinkItem, Error = Self::SinkError>,
fn sink_map_err<F, E>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::SinkError) -> E,
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F: FnOnce(Self::SinkError) -> E,
fn sink_from_err<E>(self) -> SinkFromErr<Self, E> where
E: From<Self::SinkError>,
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E: From<Self::SinkError>,
fn buffer(self, amt: usize) -> Buffer<Self>
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fn fanout<S>(self, other: S) -> Fanout<Self, S> where
S: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
Self::SinkItem: Clone,
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S: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
Self::SinkItem: Clone,
fn flush(self) -> Flush<Self>
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fn send(self, item: Self::SinkItem) -> Send<Self>
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fn send_all<S>(self, stream: S) -> SendAll<Self, S> where
S: Stream<Item = Self::SinkItem>,
Self::SinkError: From<<S as Stream>::Error>,
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S: Stream<Item = Self::SinkItem>,
Self::SinkError: From<<S as Stream>::Error>,
Auto Trait Implementations
impl<T> Send for Sender<T> where
T: Send + Sync,
T: Send + Sync,
impl<T> Unpin for Sender<T>
impl<T> Sync for Sender<T> where
T: Send + Sync,
T: Send + Sync,
impl<T> !UnwindSafe for Sender<T>
impl<T> !RefUnwindSafe for Sender<T>
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,