[−][src]Struct futures::channel::mpsc::UnboundedSender
The transmission end of an unbounded mpsc channel.
This value is created by the unbounded
function.
Methods
impl<T> UnboundedSender<T>
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impl<T> UnboundedSender<T>
pub fn poll_ready(&self, &LocalWaker) -> Poll<Result<(), SendError>>
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pub fn poll_ready(&self, &LocalWaker) -> Poll<Result<(), SendError>>
Check if the channel is ready to receive a message.
pub fn is_closed(&self) -> bool
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pub fn is_closed(&self) -> bool
Returns whether this channel is closed without needing a context.
pub fn close_channel(&self)
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pub fn close_channel(&self)
Closes this channel from the sender side, preventing any new messages.
pub fn start_send(&mut self, msg: T) -> Result<(), SendError>
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pub fn start_send(&mut self, msg: T) -> Result<(), SendError>
Send a message on the channel.
This method should only be called after poll_ready
has been used to
verify that the channel is ready to receive a message.
pub fn unbounded_send(&self, msg: T) -> Result<(), TrySendError<T>>
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pub fn unbounded_send(&self, msg: T) -> Result<(), TrySendError<T>>
Sends a message along this channel.
This is an unbounded sender, so this function differs from Sink::send
by ensuring the return type reflects that the channel is always ready to
receive messages.
Trait Implementations
impl<'a, T> Sink for &'a UnboundedSender<T>
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impl<'a, T> Sink for &'a UnboundedSender<T>
type SinkItem = T
The type of value that the sink accepts.
type SinkError = SendError
The type of value produced by the sink when an error occurs.
fn poll_ready(
self: Pin<&mut &'a UnboundedSender<T>>,
lw: &LocalWaker
) -> Poll<Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>>
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fn poll_ready(
self: Pin<&mut &'a UnboundedSender<T>>,
lw: &LocalWaker
) -> Poll<Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>>
Attempts to prepare the Sink
to receive a value. Read more
fn start_send(
self: Pin<&mut &'a UnboundedSender<T>>,
msg: T
) -> Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>
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fn start_send(
self: Pin<&mut &'a UnboundedSender<T>>,
msg: T
) -> Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>
Begin the process of sending a value to the sink. Each call to this function must be proceeded by a successful call to poll_ready
which returned Ok(Poll::Ready(()))
. Read more
fn poll_flush(
self: Pin<&mut &'a UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>>
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fn poll_flush(
self: Pin<&mut &'a UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>>
Flush any remaining output from this sink. Read more
fn poll_close(
self: Pin<&mut &'a UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>>
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fn poll_close(
self: Pin<&mut &'a UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <&'a UnboundedSender<T> as Sink>::SinkError>>
Flush any remaining output and close this sink, if necessary. Read more
impl<T> Sink for UnboundedSender<T>
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impl<T> Sink for UnboundedSender<T>
type SinkItem = T
The type of value that the sink accepts.
type SinkError = SendError
The type of value produced by the sink when an error occurs.
fn poll_ready(
self: Pin<&mut UnboundedSender<T>>,
lw: &LocalWaker
) -> Poll<Result<(), <UnboundedSender<T> as Sink>::SinkError>>
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fn poll_ready(
self: Pin<&mut UnboundedSender<T>>,
lw: &LocalWaker
) -> Poll<Result<(), <UnboundedSender<T> as Sink>::SinkError>>
Attempts to prepare the Sink
to receive a value. Read more
fn start_send(
self: Pin<&mut UnboundedSender<T>>,
msg: T
) -> Result<(), <UnboundedSender<T> as Sink>::SinkError>
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fn start_send(
self: Pin<&mut UnboundedSender<T>>,
msg: T
) -> Result<(), <UnboundedSender<T> as Sink>::SinkError>
Begin the process of sending a value to the sink. Each call to this function must be proceeded by a successful call to poll_ready
which returned Ok(Poll::Ready(()))
. Read more
fn poll_flush(
self: Pin<&mut UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <UnboundedSender<T> as Sink>::SinkError>>
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fn poll_flush(
self: Pin<&mut UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <UnboundedSender<T> as Sink>::SinkError>>
Flush any remaining output from this sink. Read more
fn poll_close(
self: Pin<&mut UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <UnboundedSender<T> as Sink>::SinkError>>
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fn poll_close(
self: Pin<&mut UnboundedSender<T>>,
&LocalWaker
) -> Poll<Result<(), <UnboundedSender<T> as Sink>::SinkError>>
Flush any remaining output and close this sink, if necessary. Read more
impl<T> Clone for UnboundedSender<T>
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impl<T> Clone for UnboundedSender<T>
fn clone(&self) -> UnboundedSender<T>
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fn clone(&self) -> UnboundedSender<T>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<T> Debug for UnboundedSender<T> where
T: Debug,
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impl<T> Debug for UnboundedSender<T> where
T: Debug,
Auto Trait Implementations
impl<T> Send for UnboundedSender<T> where
T: Send,
impl<T> Send for UnboundedSender<T> where
T: Send,
impl<T> Sync for UnboundedSender<T> where
T: Send,
impl<T> Sync for UnboundedSender<T> where
T: Send,
Blanket Implementations
impl<T, U> Into for T where
U: From<T>,
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impl<T, U> Into for T where
U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
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fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
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fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
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impl<T> From for T
impl<T, U> TryFrom for T where
T: From<U>,
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impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)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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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
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impl<T> Borrow for T where
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
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fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> BorrowMut for T where
T: ?Sized,
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impl<T> BorrowMut for T where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
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impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)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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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> SinkExt for T where
T: Sink + ?Sized,
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impl<T> SinkExt for T where
T: Sink + ?Sized,
fn with<U, Fut, F, E>(self, f: F) -> With<Self, U, Fut, F> where
E: From<Self::SinkError>,
F: FnMut(U) -> Fut,
Fut: Future<Output = Result<Self::SinkItem, E>>,
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fn with<U, Fut, F, E>(self, f: F) -> With<Self, U, Fut, F> where
E: From<Self::SinkError>,
F: FnMut(U) -> Fut,
Fut: Future<Output = Result<Self::SinkItem, E>>,
Composes a function in front of the sink. Read more
fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, U, St, F> where
F: FnMut(U) -> St,
St: Stream<Item = Result<Self::SinkItem, Self::SinkError>>,
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fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, U, St, F> where
F: FnMut(U) -> St,
St: Stream<Item = Result<Self::SinkItem, Self::SinkError>>,
Composes a function in front of the sink. Read more
fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::SinkError) -> E,
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fn sink_map_err<E, F>(self, f: F) -> SinkMapErr<Self, F> where
F: FnOnce(Self::SinkError) -> E,
Transforms the error returned by the sink.
fn sink_err_into<E>(self) -> SinkErrInto<Self, E> where
Self::SinkError: Into<E>,
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fn sink_err_into<E>(self) -> SinkErrInto<Self, E> where
Self::SinkError: Into<E>,
Map this sink's error to a different error type using the Into
trait. Read more
fn buffer(self, capacity: usize) -> Buffer<Self>
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fn buffer(self, capacity: usize) -> Buffer<Self>
Adds a fixed-size buffer to the current sink. Read more
fn close(&mut self) -> Close<Self> where
Self: Unpin,
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fn close(&mut self) -> Close<Self> where
Self: Unpin,
Close the sink.
fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Si: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
Self::SinkItem: Clone,
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fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
Si: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
Self::SinkItem: Clone,
Fanout items to multiple sinks. Read more
fn flush(&mut self) -> Flush<Self> where
Self: Unpin,
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fn flush(&mut self) -> Flush<Self> where
Self: Unpin,
Flush the sync, processing all pending items. Read more
fn send(&mut self, item: Self::SinkItem) -> Send<Self> where
Self: Unpin,
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fn send(&mut self, item: Self::SinkItem) -> Send<Self> where
Self: Unpin,
A future that completes after the given item has been fully processed into the sink, including flushing. Read more
fn send_all<St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> where
Self: Unpin,
St: Stream<Item = Self::SinkItem> + Unpin,
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fn send_all<St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> where
Self: Unpin,
St: Stream<Item = Self::SinkItem> + Unpin,
A future that completes after the given stream has been fully processed into the sink, including flushing. Read more
fn left_sink<Si2>(self) -> Either<Self, Si2> where
Si2: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
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fn left_sink<Si2>(self) -> Either<Self, Si2> where
Si2: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
Wrap this sink in an Either
sink, making it the left-hand variant of that Either
. Read more
fn right_sink<Si1>(self) -> Either<Si1, Self> where
Si1: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
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fn right_sink<Si1>(self) -> Either<Si1, Self> where
Si1: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>,
Wrap this stream in an Either
stream, making it the right-hand variant of that Either
. Read more
ⓘImportant traits for Compat<R>fn compat(self) -> Compat<Self> where
Self: Unpin,
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fn compat(self) -> Compat<Self> where
Self: Unpin,
Wraps a [Sink
] into a sink compatible with libraries using futures 0.1 Sink
. Requires the compat
feature to be enabled. Read more