Struct tracing_core::stdlib::future::Ready

pub struct Ready<T>(Option<T>);

A future that is immediately ready with a value.

This struct is created by ready(). See its documentation for more.

Tuple Fields

0: Option<T>

Implementations

impl<T> Ready<T>

pub fn into_inner(self) -> T

🔬This is a nightly-only experimental API. (ready_into_inner #101196)

Consumes the Ready, returning the wrapped value.

Panics

Will panic if this Ready was already polled to completion.

Examples

#![feature(ready_into_inner)]
use std::future;

let a = future::ready(1);
assert_eq!(a.into_inner(), 1);

Trait Implementations

impl<T> Clone for Ready<T>

where T: Clone,

fn clone(&self) -> Ready<T>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T> Debug for Ready<T>

where T: Debug,

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

Formats the value using the given formatter.

impl<T> Future for Ready<T>

type Output = T

The type of value produced on completion.

fn poll(self: Pin<&mut Ready<T>>, _cx: &mut Context<'_>) -> Poll<T>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.

impl<T> Unpin for Ready<T>