diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs | 7 | ||||
| -rw-r--r-- | tests/ui/impl-trait/in-trait/foreign.rs | 14 |
2 files changed, 16 insertions, 5 deletions
diff --git a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs index 74f7bc603aa..ffeabe5c2ed 100644 --- a/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs +++ b/tests/ui/impl-trait/in-trait/auxiliary/rpitit.rs @@ -2,12 +2,13 @@ #![feature(return_position_impl_trait_in_trait)] +use std::ops::Deref; + pub trait Foo { - fn bar() -> impl Sized; + fn bar() -> impl Deref<Target = impl Sized>; } pub struct Foreign; - impl Foo for Foreign { - fn bar() {} + fn bar() -> &'static () { &() } } diff --git a/tests/ui/impl-trait/in-trait/foreign.rs b/tests/ui/impl-trait/in-trait/foreign.rs index df77372aabd..f4972d948b2 100644 --- a/tests/ui/impl-trait/in-trait/foreign.rs +++ b/tests/ui/impl-trait/in-trait/foreign.rs @@ -5,7 +5,17 @@ extern crate rpitit; +use std::sync::Arc; + +// Implement an RPITIT from another crate. +struct Local; +impl rpitit::Foo for Local { + fn bar() -> Arc<String> { Arc::new(String::new()) } +} + fn main() { - // Witness an RPITIT from another crate - let () = <rpitit::Foreign as rpitit::Foo>::bar(); + // Witness an RPITIT from another crate. + let &() = <rpitit::Foreign as rpitit::Foo>::bar(); + + let x: Arc<String> = <Local as rpitit::Foo>::bar(); } |