diff options
Diffstat (limited to 'src/test/ui/type-alias-impl-trait/coherence_generalization.rs')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/coherence_generalization.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/coherence_generalization.rs b/src/test/ui/type-alias-impl-trait/coherence_generalization.rs new file mode 100644 index 000000000..5c9ad9498 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/coherence_generalization.rs @@ -0,0 +1,13 @@ +// check-pass + +#![feature(type_alias_impl_trait)] +trait Trait {} +type Opaque<T> = impl Sized; +fn foo<T>() -> Opaque<T> { + () +} + +impl<T, V> Trait for (T, V, V, u32) {} +impl<U, V> Trait for (Opaque<U>, V, i32, V) {} + +fn main() {} |