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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/associated-types/normalization-debruijn-2.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/associated-types/normalization-debruijn-2.rs')
-rw-r--r-- | tests/ui/associated-types/normalization-debruijn-2.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/associated-types/normalization-debruijn-2.rs b/tests/ui/associated-types/normalization-debruijn-2.rs new file mode 100644 index 000000000..abe248e16 --- /dev/null +++ b/tests/ui/associated-types/normalization-debruijn-2.rs @@ -0,0 +1,31 @@ +// build-pass +// edition:2018 + +// Regression test to ensure we handle debruijn indices correctly in projection +// normalization under binders. Found in crater run for #85499 + +use std::future::Future; +use std::pin::Pin; +pub enum Outcome<S, E> { + Success(S), + Failure(E), +} +pub struct Request<'r> { + _marker: std::marker::PhantomData<&'r ()>, +} +pub trait FromRequest<'r>: Sized { + type Error; + fn from_request<'life0>( + request: &'r Request<'life0>, + ) -> Pin<Box<dyn Future<Output = Outcome<Self, Self::Error>>>>; +} +pub struct S<T> { + _marker: std::marker::PhantomData<T>, +} +impl<'r, T: FromRequest<'r>> S<T> { + pub async fn from_request(request: &'r Request<'_>) { + let _ = T::from_request(request).await; + } +} + +fn main() {} |