#[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.
The type of value that the sink accepts.
The type of value produced by the sink when an error occurs.
Attempts to prepare the Sink
to receive a value. Read more
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
Flush any remaining output from this sink. Read more
Flush any remaining output and close this sink, if necessary. Read more
Formats the value using the given formatter. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Immutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
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] |
Composes a function in front of the sink. Read more
Composes a function in front of the sink. Read more
Transforms the error returned by the sink.
Map this sink's error to a different error type using the Into
trait. Read more
Adds a fixed-size buffer to the current sink. Read more
Flush the sync, processing all pending items. Read more
A future that completes after the given item has been fully processed into the sink, including flushing. Read more
A future that completes after the given stream has been fully processed into the sink, including flushing. Read more
Wrap this sink in an Either
sink, making it the left-hand variant of that Either
. Read more
Wrap this stream in an Either
stream, making it the right-hand variant of that Either
. Read more
Wraps a [Sink
] into a sink compatible with libraries using futures 0.1 Sink
. Requires the compat
feature to be enabled. Read more