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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:12:43 +0000 |
commit | cf94bdc0742c13e2a0cac864c478b8626b266e1b (patch) | |
tree | 044670aa50cc5e2b4229aa0b6b3df6676730c0a6 /src/test/ui/impl-trait/issue-103181-1.rs | |
parent | Adding debian version 1.65.0+dfsg1-2. (diff) | |
download | rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.tar.xz rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/impl-trait/issue-103181-1.rs')
-rw-r--r-- | src/test/ui/impl-trait/issue-103181-1.rs | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/issue-103181-1.rs b/src/test/ui/impl-trait/issue-103181-1.rs new file mode 100644 index 000000000..197aedf9d --- /dev/null +++ b/src/test/ui/impl-trait/issue-103181-1.rs @@ -0,0 +1,85 @@ +// edition:2021 + +mod hyper { + use std::{fmt::Debug, future::Future, marker::PhantomData, pin::Pin, task::Poll}; + + pub trait HttpBody { + type Error; + } + impl HttpBody for () { + //~^ ERROR not all trait items implemented, missing: `Error` + // don't implement `Error` here for the ICE + } + + pub struct Server<I, S>(I, S); + + pub fn serve<I, S>(_: S) -> Server<I, S> { + todo!() + } + + impl<S, B> Future for Server<(), S> + where + S: MakeServiceRef<(), (), ResBody = B>, + B: HttpBody, + B::Error: Debug, + { + type Output = (); + + fn poll(self: Pin<&mut Self>, _: &mut std::task::Context<'_>) -> Poll<Self::Output> { + todo!() + } + } + + pub trait MakeServiceRef<Target, ReqBody> { + type ResBody; + } + + impl<T, S> MakeServiceRef<(), ()> for T + where + T: for<'a> Service<&'a (), Response = S>, + S: Service<()>, + { + type ResBody = (); + } + + pub struct MakeServiceFn<F>(pub F); + pub struct ServiceFn<F, R>(pub PhantomData<(F, R)>); + + pub trait Service<Request> { + type Response; + } + + impl<'t, F, Ret, Target, Svc> Service<&'t Target> for MakeServiceFn<F> + where + F: Fn() -> Ret, + Ret: Future<Output = Result<Svc, ()>>, + { + type Response = Svc; + } + + impl<F, ReqBody, Ret, ResBody, E> Service<ReqBody> for ServiceFn<F, ReqBody> + where + F: Fn() -> Ret, + Ret: Future<Output = Result<ResBody, E>>, + { + type Response = ResBody; + } +} + +async fn smarvice() -> Result<(), ()> { + Ok(()) +} + +fn service_fn<F, R, S>(f: F) -> hyper::ServiceFn<F, R> +where + F: Fn() -> S, +{ + hyper::ServiceFn(std::marker::PhantomData) +} + +async fn iceice() { + let service = hyper::MakeServiceFn(|| async { Ok::<_, ()>(service_fn(|| smarvice())) }); + hyper::serve::<(), _>(service).await; +} + +fn main() {} |