/rust/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-1.8.1/src/common/future.rs

Source
use std::{
    future::Future,
    pin::Pin,
    task::{Context, Poll},
};

// TODO: replace with `std::future::poll_fn` once MSRV >= 1.64
pub(crate) fn poll_fn<T, F>(f: F) -> PollFn<F>
where
    F: FnMut(&mut Context<'_>) -> Poll<T>,
{
    PollFn { f }
}

pub(crate) struct PollFn<F> {
    f: F,
}

impl<F> Unpin for PollFn<F> {}

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

    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
        (self.as_mut().f)(cx)
    }
}

Line	Count	Source
1		use std::{
2		future::Future,
3		pin::Pin,
4		task::{Context, Poll},
5		};
6
7		// TODO: replace with `std::future::poll_fn` once MSRV >= 1.64
8	0	pub(crate) fn poll_fn<T, F>(f: F) -> PollFn<F>
9	0	where
10	0	F: FnMut(&mut Context<'_>) -> Poll<T>,
11		{
12	0	PollFn { f }
13	0	}
14
15		pub(crate) struct PollFn<F> {
16		f: F,
17		}
18
19		impl<F> Unpin for PollFn<F> {}
20
21		impl<T, F> Future for PollFn<F>
22		where
23		F: FnMut(&mut Context<'_>) -> Poll<T>,
24		{
25		type Output = T;
26
27	0	fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
28	0	(self.as_mut().f)(cx)
29	0	}
30		}

Coverage Report

Created: 2026-03-31 07:09