Struct futures_util::future::Empty

[+] Show declaration

[+] Expand attributes
#[must_use = "futures do nothing unless polled"]
pub struct Empty<T> { /* fields omitted */ }

[−] Expand description

A future which is never resolved.

This future can be created with the empty() function.

Trait Implementations

impl<T: Debug> Debug for Empty<T>

[+]

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

[−]

Formats the value using the given formatter.

impl<T> Future for Empty<T>

[+]

type Output = 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>, _: &mut Context) -> Poll<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.