Struct futures_util::future::Flatten

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#[must_use = "futures do nothing unless polled"]
pub struct Flatten<Fut> where
    Fut: Future,
    Fut::Output: Future,  { /* fields omitted */ }

[−] Expand description

Future for the flatten combinator.

This combinator turns a Future-of-a-Future into a single Future.

This is created by the Future::flatten method.

Trait Implementations

impl<Fut> Debug for Flatten<Fut> where     Fut: Future + Debug,     Fut::Output: Future + Debug,

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

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Formats the value using the given formatter.

impl<Fut> Future for Flatten<Fut> where     Fut: Future,     Fut::Output: Future,

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type Output = <Fut::Output as Future>::Output

🔬 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.