Struct serde::lib::core::future::Ready

1.48.0 · source ·
pub struct Ready<T>(Option<T>);
Expand description

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

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

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

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
The type of value produced on completion.
Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The output that the future will produce on completion.
Which kind of future are we turning this into?
Creates a future from a value. Read more
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.