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