Struct std::future::PollFn

pub struct PollFn<F> { /* private fields */ }

A Future that wraps a function returning Poll.

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

Trait Implementations

impl<F> Debug for PollFn<F>

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

Formats the value using the given formatter.

impl<T, F> Future for PollFn<F>where F: FnMut(&mut Context<'_>) -> Poll<T>,

type Output = T

The type of value produced on completion.

fn poll(self: Pin<&mut PollFn<F>>, 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<F> Unpin for PollFn<F>where F: Unpin,