Struct futures::future::PollFn
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#[must_use = "futures do nothing unless polled"]pub struct PollFn<F> { /* fields omitted */ }
A future which adapts a function returning Poll
.
Created by the poll_fn
function.
Trait Implementations
impl<F> Debug for PollFn<F> where
F: Debug,
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F: Debug,
fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>
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Formats the value using the given formatter. Read more
impl<T, E, F> Future for PollFn<F> where
F: FnMut(&mut Context) -> Result<Async<T>, E>,
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F: FnMut(&mut Context) -> Result<Async<T>, E>,