Struct PollFn
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct PollFn<F> { pub(in ::future::poll_fn) f: F }A Future that wraps a function returning Poll.
This struct is created by [poll_fn()]. See its
documentation for more.
Fields
f: F
Trait Implementations
impl<F> Debug for PollFn<F>
fn fmt(&self, f: &mut Formatter<'_>) -> Result
impl<F: Unpin> Unpin for PollFn<F>
impl<T, F> Future for PollFn<F>
where
F: FnMut(&mut Context<'_>) -> Poll<T>,
type Output = T;fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<T>
Auto Trait Implementations
impl<F> Freeze for PollFn<F>
where
F: Freeze,
impl<F> RefUnwindSafe for PollFn<F>
where
F: RefUnwindSafe,
impl<F> Send for PollFn<F>
where
F: Send,
impl<F> Sync for PollFn<F>
where
F: Sync,
impl<F> UnsafeUnpin for PollFn<F>
where
F: UnsafeUnpin,
impl<F> UnwindSafe for PollFn<F>
where
F: UnwindSafe,
Blanket Implementations
impl<F> IntoFuture for PollFn<F>
where
F: Future,
type Output = <F as Future>::Output;type IntoFuture = F;fn into_future(self) -> <F as IntoFuture>::IntoFuture
impl<T> Any for PollFn<F>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for PollFn<F>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for PollFn<F>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> From<T> for PollFn<F>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> SizeHint for PollFn<F>
where
T: ?Sized,
fn lower_bound(&self) -> usizefn upper_bound(&self) -> Option<usize>
impl<T> SizedTypeProperties for PollFn<F>
impl<T, U> Into<U> for PollFn<F>
where
U: From<T>,
fn into(self) -> UCalls
U::from(self).That is, this conversion is whatever the implementation of
[From]<T> for Uchooses to do.
impl<T, U> TryFrom<U> for PollFn<F>
where
U: Into<T>,
type Error = never;fn try_from(value: U) -> Result<T, never>
impl<T, U> TryInto<U> for PollFn<F>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>