diff options
Diffstat (limited to 'tests/ui/higher-rank-trait-bounds/issue-88446.rs')
-rw-r--r-- | tests/ui/higher-rank-trait-bounds/issue-88446.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/higher-rank-trait-bounds/issue-88446.rs b/tests/ui/higher-rank-trait-bounds/issue-88446.rs new file mode 100644 index 000000000..571b85317 --- /dev/null +++ b/tests/ui/higher-rank-trait-bounds/issue-88446.rs @@ -0,0 +1,35 @@ +// check-pass + +trait Yokeable<'a> { + type Output: 'a; +} +impl<'a> Yokeable<'a> for () { + type Output = (); +} + +trait DataMarker<'data> { + type Yokeable: for<'a> Yokeable<'a>; +} +impl<'data> DataMarker<'data> for () { + type Yokeable = (); +} + +struct DataPayload<'data, M>(&'data M); + +impl DataPayload<'static, ()> { + pub fn map_project_with_capture<M2, T>( + _: for<'a> fn( + capture: T, + std::marker::PhantomData<&'a ()>, + ) -> <M2::Yokeable as Yokeable<'a>>::Output, + ) -> DataPayload<'static, M2> + where + M2: DataMarker<'static>, + { + todo!() + } +} + +fn main() { + let _: DataPayload<()> = DataPayload::<()>::map_project_with_capture::<_, &()>(|_, _| todo!()); +} |