[−][src]Struct futures_util::future::UnitError
#[must_use = "futures do nothing unless polled"]pub struct UnitError<Fut> { /* fields omitted */ }
Future for the unit_error
combinator, turning a Future
into a TryFuture
.
This is created by the FutureExt::unit_error
method.
Trait Implementations
impl<Fut: Debug> Debug for UnitError<Fut>
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impl<Fut: Debug> Debug for UnitError<Fut>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<Fut: Unpin> Unpin for UnitError<Fut>
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impl<Fut: Unpin> Unpin for UnitError<Fut>
impl<Fut, T> Future for UnitError<Fut> where
Fut: Future<Output = T>,
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impl<Fut, T> Future for UnitError<Fut> where
Fut: Future<Output = T>,
type Output = Result<T, ()>
🔬 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<Result<T, ()>>
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fn poll(self: PinMut<Self>, cx: &mut Context) -> Poll<Result<T, ()>>
🔬 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. Read more