[−][src]Struct futures::sink::Drain
#[must_use = "futures do nothing unless polled"]pub struct Drain<T> { /* fields omitted */ }
A sink that will discard all items given to it.
See the drain() function for more details.
Trait Implementations
impl<T> Sink for Drain<T>[src]
impl<T> Sink for Drain<T>type SinkItem = T
The type of value that the sink accepts.
type SinkError = DrainError
The type of value produced by the sink when an error occurs.
fn poll_ready(
self: PinMut<Drain<T>>,
_cx: &mut Context
) -> Poll<Result<(), <Drain<T> as Sink>::SinkError>>[src]
fn poll_ready(
self: PinMut<Drain<T>>,
_cx: &mut Context
) -> Poll<Result<(), <Drain<T> as Sink>::SinkError>>Attempts to prepare the Sink to receive a value. Read more
fn start_send(
self: PinMut<Drain<T>>,
_item: <Drain<T> as Sink>::SinkItem
) -> Result<(), <Drain<T> as Sink>::SinkError>[src]
fn start_send(
self: PinMut<Drain<T>>,
_item: <Drain<T> as Sink>::SinkItem
) -> Result<(), <Drain<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: PinMut<Drain<T>>,
_cx: &mut Context
) -> Poll<Result<(), <Drain<T> as Sink>::SinkError>>[src]
fn poll_flush(
self: PinMut<Drain<T>>,
_cx: &mut Context
) -> Poll<Result<(), <Drain<T> as Sink>::SinkError>>Flush any remaining output from this sink. Read more
fn poll_close(
self: PinMut<Drain<T>>,
_cx: &mut Context
) -> Poll<Result<(), <Drain<T> as Sink>::SinkError>>[src]
fn poll_close(
self: PinMut<Drain<T>>,
_cx: &mut Context
) -> Poll<Result<(), <Drain<T> as Sink>::SinkError>>Flush any remaining output and close this sink, if necessary. Read more
impl<T> Debug for Drain<T> where
T: Debug, [src]
impl<T> Debug for Drain<T> where
T: Debug, Auto Trait Implementations
Blanket Implementations
impl<T> From for T[src]
impl<T> From for Timpl<T, U> TryFrom for T where
T: From<U>, [src]
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>[src]
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>try_from)Performs the conversion.
impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
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>[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>try_from)Performs the conversion.
impl<T, U> Into for T where
U: From<T>, [src]
impl<T, U> Into for T where
U: From<T>, impl<T> Borrow for T where
T: ?Sized, [src]
impl<T> Borrow for T where
T: ?Sized, ⓘImportant traits for &'a mut Ifn borrow(&self) -> &T[src]
fn borrow(&self) -> &TImmutably borrows from an owned value. Read more
impl<T> BorrowMut for T where
T: ?Sized, [src]
impl<T> BorrowMut for T where
T: ?Sized, ⓘImportant traits for &'a mut Ifn borrow_mut(&mut self) -> &mut T[src]
fn borrow_mut(&mut self) -> &mut TMutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized, [src]
impl<T> Any for T where
T: 'static + ?Sized, fn get_type_id(&self) -> TypeId[src]
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> SinkExt for T where
T: Sink + ?Sized, [src]
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>>, [src]
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>>, [src]
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, [src]
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>, [src]
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>[src]
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, [src]
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, [src]
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, [src]
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, [src]
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, [src]
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
ⓘImportant traits for Either<L, R>fn left_sink<Si2>(self) -> Either<Self, Si2> where
Si2: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>, [src]
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
ⓘImportant traits for Either<L, R>fn right_sink<Si1>(self) -> Either<Si1, Self> where
Si1: Sink<SinkItem = Self::SinkItem, SinkError = Self::SinkError>, [src]
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
fn compat<Sp>(self, spawn: Sp) -> Compat<Self, Sp> where
Self: Unpin,
Sp: Spawn, [src]
fn compat<Sp>(self, spawn: Sp) -> Compat<Self, Sp> where
Self: Unpin,
Sp: Spawn, Wraps a [Sink] into a sink compatible with libraries using futures 0.1 Sink. Requires the compat feature to be enabled. Read more