Struct futures_core::future::FutureResult

#[must_use = "futures do nothing unless polled"]
pub struct FutureResult<T, E> { /* fields omitted */ }

A future representing a value that is immediately ready.

Created by the result, ok or err functions.

Trait Implementations

impl<T: Debug, E: Debug> Debug for FutureResult<T, E>

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

Formats the value using the given formatter.

impl<T: Clone, E: Clone> Clone for FutureResult<T, E>

fn clone(&self) -> FutureResult<T, E>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T, E> Future for FutureResult<T, E>

type Item = T

A successful value

type Error = E

An error

fn poll(&mut self, _: &mut Context) -> Poll<T, E>

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

impl<T, E> From<Result<T, E>> for FutureResult<T, E>

fn from(r: Result<T, E>) -> Self

Performs the conversion.