diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/traits/issue-68295.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/issue-68295.rs')
-rw-r--r-- | tests/ui/traits/issue-68295.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/traits/issue-68295.rs b/tests/ui/traits/issue-68295.rs new file mode 100644 index 000000000..7ff54539a --- /dev/null +++ b/tests/ui/traits/issue-68295.rs @@ -0,0 +1,47 @@ +// check-fail +// +// regression test for #68295 + +struct Matrix<R, C, S>(R, C, S); + +impl<R, C, S> Matrix<R, C, S> { + fn into_owned(self) -> Matrix<R, C, Owned<R, C, ()>> + where + (): Allocator<R, C>, + { + unimplemented!() + } +} + +impl<D, S> Matrix<D, D, S> { + fn hermitian_part(&self) -> Matrix<D, D, Owned<D, D, ()>> + where + (): Allocator<D, D>, + { + unimplemented!() + } +} + +trait Allocator<R, C> { + type Buffer; +} + +trait Trait<R, C, A> { + type Power; +} + +impl<R, C, A: Allocator<R, C>> Trait<R, C, A> for () { + type Power = A::Buffer; +} + +type Owned<R, C, G> = <G as Trait<R, C, ()>>::Power; + +fn crash<R, C>(input: Matrix<R, C, ()>) -> Matrix<R, C, u32> +where + (): Allocator<R, C>, +{ + input.into_owned() + //~^ ERROR mismatched types [E0308] +} + +fn main() {} |