Struct futures_util::try_stream::TryNext

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#[must_use = "streams do nothing unless polled"]
pub struct TryNext<'a, St: Unpin + 'a> { /* fields omitted */ }

[−] Expand description

A future which attempts to collect all of the values of a stream.

This future is created by the Stream::try_collect method.

Trait Implementations

impl<'a, St: Debug + Unpin + 'a> Debug for TryNext<'a, St>

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

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Formats the value using the given formatter.

impl<St: Unpin, '_> Unpin for TryNext<'_, St>

impl<St: TryStream + Unpin, '_> Future for TryNext<'_, St>

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type Output = Result<Option<St::Ok>, St::Error>

🔬 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>

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🔬 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.