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19 lines
525 B
Rust
19 lines
525 B
Rust
use core::pin::Pin;
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use core::future::Future;
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use crate::stream::DoubleEndedStream;
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use crate::task::{Context, Poll};
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#[doc(hidden)]
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#[allow(missing_debug_implementations)]
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pub struct NextBackFuture<'a, T: Unpin + ?Sized> {
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pub(crate) stream: &'a mut T,
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}
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impl<T: DoubleEndedStream + Unpin + ?Sized> Future for NextBackFuture<'_, T> {
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type Output = Option<T::Item>;
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fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
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Pin::new(&mut *self.stream).poll_next_back(cx)
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}
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}
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