29 lines
730 B
Rust
29 lines
730 B
Rust
// Regression test for https://github.com/rust-lang/rust/issues/84634
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#![crate_name = "foo"]
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use std::pin::Pin;
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use std::task::Poll;
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pub trait Stream {
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type Item;
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fn poll_next(mut self: Pin<&mut Self>) -> Poll<Option<Self::Item>>;
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fn size_hint(&self) -> (usize, Option<usize>);
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}
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//@ has 'foo/trait.Stream.html'
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//@ has - '//*[@class="code-header"]' 'impl<S: ?Sized + Stream + Unpin> Stream for &mut S'
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impl<S: ?Sized + Stream + Unpin> Stream for &mut S {
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type Item = S::Item;
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fn poll_next(
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mut self: Pin<&mut Self>,
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) -> Poll<Option<Self::Item>> {
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S::poll_next(Pin::new(&mut **self), cx)
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}
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fn size_hint(&self) -> (usize, Option<usize>) {
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(**self).size_hint()
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}
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}
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