Struct futures_util::stream::Concat

#[must_use = "streams do nothing unless polled"]
pub struct Concat<St: Stream> { /* fields omitted */ }

A stream combinator to concatenate the results of a stream into the first yielded item.

This structure is produced by the Stream::concat method.

Trait Implementations

impl<St: Stream + Unpin> Unpin for Concat<St>

impl<St> Debug for Concat<St> where     St: Stream + Debug,     St::Item: Debug,

fn fmt(&self, fmt: &mut Formatter) -> FmtResult

Formats the value using the given formatter.

impl<St> Future for Concat<St> where     St: Stream,     St::Item: Extend<<St::Item as IntoIterator>::Item> + IntoIterator + Default,

type Output = St::Item

🔬 This is a nightly-only experimental API. (futures_api)

futures in libcore are unstable

The result of the Future.

fn poll(self: PinMut<Self>, cx: &mut Context) -> Poll<Self::Output>

🔬 This is a nightly-only experimental API. (futures_api)

futures in libcore are unstable

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.