Struct core::future::Ready

1.48.0 · source ·

pub struct Ready<T>(_);

Expand description

A future that is immediately ready with a value.

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

Implementations

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impl<T> Ready<T>

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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);

Run

Trait Implementations

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impl<T: Clone> Clone for Ready<T>

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fn clone(&self) -> Ready<T> ⓘ

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl<T: Debug> Debug for Ready<T>

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

Formats the value using the given formatter. Read more

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impl<T> Future for Ready<T>

type Output = T

The type of value produced on completion.

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fn poll(self: Pin<&mut Self>, _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. Read more

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impl<T> Unpin for Ready<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for Ready<T>where
T: RefUnwindSafe,

impl<T> Send for Ready<T>where
T: Send,

impl<T> Sync for Ready<T>where
T: Sync,

impl<T> UnwindSafe for Ready<T>where
T: UnwindSafe,

Blanket Implementations

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

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

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impl<T, U> TryFrom for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct core::future::Ready

Implementations

impl<T> Ready<T>

pub fn into_inner(self) -> T

Panics

Examples

Trait Implementations

impl<T: Clone> Clone for Ready<T>

fn clone(&self) -> Ready<T> ⓘ

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

impl<T: Debug> Debug for Ready<T>

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

impl<T> Future for Ready<T>

type Output = T

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

impl<T> Unpin for Ready<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for Ready<T>where
T: RefUnwindSafe,

impl<T> Send for Ready<T>where
T: Send,

impl<T> Sync for Ready<T>where
T: Sync,

impl<T> UnwindSafe for Ready<T>where
T: UnwindSafe,

Blanket Implementations

impl<T> Any for Twhere
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere
U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct core::future::Ready

Implementations

impl<T> Ready<T>

pub fn into_inner(self) -> T

Trait Implementations

impl<T: Clone> Clone for Ready<T>

fn clone(&self) -> Ready<T> ⓘ

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

impl<T: Debug> Debug for Ready<T>

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

impl<T> Future for Ready<T>

type Output = T

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

impl<T> Unpin for Ready<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for Ready<T>where T: RefUnwindSafe,

impl<T> Send for Ready<T>where T: Send,

impl<T> Sync for Ready<T>where T: Sync,

impl<T> UnwindSafe for Ready<T>where T: UnwindSafe,

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> RefUnwindSafe for Ready<T>where
T: RefUnwindSafe,

impl<T> Send for Ready<T>where
T: Send,

impl<T> Sync for Ready<T>where
T: Sync,

impl<T> UnwindSafe for Ready<T>where
T: UnwindSafe,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,