[−][src]Struct futures_util::sink::Drain

#[must_use = "sinks do nothing unless polled"]
pub struct Drain<T> { /* fields omitted */ }
[−]

Sink for the drain function.

Trait Implementations

impl<T: Debug> Debug for Drain<T>[src][+]

impl<T> Sink<T> for Drain<T>[src][+]

type Error = Never

The type of value produced by the sink when an error occurs.

Auto Trait Implementations

impl<T> Send for Drain<T> where
    T: Send, 

impl<T> Unpin for Drain<T> where
    T: Unpin, 

impl<T> Sync for Drain<T> where
    T: Sync, 

impl<T> UnwindSafe for Drain<T> where
    T: UnwindSafe, 

impl<T> RefUnwindSafe for Drain<T> where
    T: RefUnwindSafe, 

Blanket Implementations

impl<T, Item> SinkExt<Item> for T where
    T: Sink<Item> + ?Sized, [src][+]

fn with<U, Fut, F, E>(self, f: F) -> With<Self, Item, U, Fut, F> where
    F: FnMut(U) -> Fut,
    Fut: Future<Output = Result<Item, E>>,
    E: From<Self::Error>,
    Self: Sized, [src][−]

Composes a function in front of the sink. Read more

fn with_flat_map<U, St, F>(self, f: F) -> WithFlatMap<Self, Item, U, St, F> where
    F: FnMut(U) -> St,
    St: Stream<Item = Result<Item, Self::Error>>,
    Self: Sized, [src][−]

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::Error) -> E,
    Self: Sized, [src][−]

Transforms the error returned by the sink.

fn sink_err_into<E>(self) -> SinkErrInto<Self, Item, E> where
    Self: Sized,
    Self::Error: Into<E>, [src][−]

Map this sink's error to a different error type using the Into trait. Read more

fn buffer(self, capacity: usize) -> Buffer<Self, Item> where
    Self: Sized, [src][−]

Adds a fixed-size buffer to the current sink. Read more

ⓘImportant traits for Close<'_, Si, Item>
fn close(&mut self) -> Close<Self, Item> where
    Self: Unpin, [src][−]

Close the sink.

fn fanout<Si>(self, other: Si) -> Fanout<Self, Si> where
    Self: Sized,
    Item: Clone,
    Si: Sink<Item, Error = Self::Error>, [src][−]

Fanout items to multiple sinks. Read more

ⓘImportant traits for Flush<'_, Si, Item>
fn flush(&mut self) -> Flush<Self, Item> where
    Self: Unpin, [src][−]

Flush the sync, processing all pending items. Read more

ⓘImportant traits for Send<'_, Si, Item>
fn send(&mut self, item: Item) -> Send<Self, Item> where
    Self: Unpin, [src][−]

A future that completes after the given item has been fully processed into the sink, including flushing. Read more

ⓘImportant traits for SendAll<'_, Si, St>
fn send_all<'a, St>(&'a mut self, stream: &'a mut St) -> SendAll<'a, Self, St> where
    St: Stream<Item = Item> + Unpin,
    Self: Unpin, [src][−]

A future that completes after the given stream has been fully processed into the sink, including flushing. Read more

ⓘImportant traits for Either<A, B>
fn left_sink<Si2>(self) -> Either<Self, Si2> where
    Si2: Sink<Item, Error = Self::Error>,
    Self: Sized, [src][−]

Wrap this sink in an Either sink, making it the left-hand variant of that Either. Read more

ⓘImportant traits for Either<A, B>
fn right_sink<Si1>(self) -> Either<Si1, Self> where
    Si1: Sink<Item, Error = Self::Error>,
    Self: Sized, [src][−]

Wrap this stream in an Either stream, making it the right-hand variant of that Either. Read more

fn compat(self) -> CompatSink<Self, Item> where
    Self: Sized + Unpin, [src][−]

Wraps a Sink into a sink compatible with libraries using futures 0.1 Sink. Requires the compat feature to be enabled. Read more

impl<T> From<T> for T[src][+]

impl<T, U> Into<U> for T where
    U: From<T>, [src][+]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src][+]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src][+]

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

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src][+]

impl<T> Borrow<T> for T where
    T: ?Sized, [src][+]

impl<T> Any for T where
    T: 'static + ?Sized, [src][+]

impl<V, T> VZip<V> for T where
    V: MultiLane<T>, [+]