diff options
Diffstat (limited to 'src/test/ui/type-alias-impl-trait/nested.rs')
-rw-r--r-- | src/test/ui/type-alias-impl-trait/nested.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/nested.rs b/src/test/ui/type-alias-impl-trait/nested.rs new file mode 100644 index 000000000..6b866be7d --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/nested.rs @@ -0,0 +1,17 @@ +#![feature(type_alias_impl_trait)] + +type Foo = impl std::fmt::Debug; +type Bar = impl Trait<Foo>; + +trait Trait<T> {} + +impl<T, U> Trait<T> for U {} + +fn bar() -> Bar { + 42 +} + +fn main() { + println!("{:?}", bar()); + //~^ ERROR `Bar` doesn't implement `Debug` +} |