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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:29 +0000 |
commit | 631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch) | |
tree | a1b87c8f8cad01cf18f7c5f57a08f102771ed303 /tests/ui/traits/new-solver/lazy-nested-obligations-3.rs | |
parent | Adding debian version 1.69.0+dfsg1-1. (diff) | |
download | rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/new-solver/lazy-nested-obligations-3.rs')
-rw-r--r-- | tests/ui/traits/new-solver/lazy-nested-obligations-3.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/lazy-nested-obligations-3.rs b/tests/ui/traits/new-solver/lazy-nested-obligations-3.rs new file mode 100644 index 000000000..baf399572 --- /dev/null +++ b/tests/ui/traits/new-solver/lazy-nested-obligations-3.rs @@ -0,0 +1,38 @@ +// check-pass +// compile-flags: -Ztrait-solver=next +// Issue 96750 + +use std::marker::PhantomData; + +trait AsyncFn<Arg> { + type Output; +} +trait RequestFamily { + type Type<'a>; +} +trait Service {} + +struct MyFn; +impl AsyncFn<String> for MyFn { + type Output = (); +} + +impl RequestFamily for String { + type Type<'a> = String; +} + +struct ServiceFromAsyncFn<F, Req>(F, PhantomData<Req>); + +impl<F, Req, O> Service for ServiceFromAsyncFn<F, Req> +where + Req: RequestFamily, + F: AsyncFn<Req>, + F: for<'a> AsyncFn<Req::Type<'a>, Output = O>, +{ +} + +fn assert_service() -> impl Service { + ServiceFromAsyncFn(MyFn, PhantomData) +} + +fn main() {} |