diff options
Diffstat (limited to 'tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs')
-rw-r--r-- | tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs new file mode 100644 index 000000000..f6ab9c203 --- /dev/null +++ b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs @@ -0,0 +1,21 @@ +// check-pass + +pub trait Indexable { + type Idx; +} +impl Indexable for u8 { + type Idx = u8; +} +impl Indexable for u16 { + type Idx = u16; +} + +pub trait Indexer<T: Indexable>: std::ops::Index<T::Idx, Output = T> {} + +trait StoreIndex: Indexer<u8> + Indexer<u16> {} + +fn foo(st: &impl StoreIndex) -> &dyn StoreIndex { + st as &dyn StoreIndex +} + +fn main() {} |