Struct futures::stream::Concat

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

[−] Expand description

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> Unpin for Concat<St> where     St: Unpin + Stream,

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

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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

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Formats the value using the given formatter.

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

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type Output = <St as Stream>::Item

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

futures in libcore are unstable

The result of the Future.

fn poll(     self: PinMut<Concat<St>>,     cx: &mut Context ) -> Poll<<Concat<St> as Future>::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.