mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 23:34:48 +00:00
31 lines
689 B
Rust
31 lines
689 B
Rust
// Test that we don't get an error with `dyn Bar` in an impl Trait
|
|
// when there are multiple inputs. The `dyn Bar` should default to `+
|
|
// 'static`. This used to erroneously generate an error (cc #62517).
|
|
//
|
|
//@ revisions: current next
|
|
//@[next] compile-flags: -Znext-solver
|
|
//@ ignore-compare-mode-next-solver (explicit revisions)
|
|
//@ check-pass
|
|
|
|
trait Foo {
|
|
type Item: ?Sized;
|
|
|
|
fn item(&self) -> Box<Self::Item> { panic!() }
|
|
}
|
|
|
|
trait Bar { }
|
|
|
|
impl<T> Foo for T {
|
|
type Item = dyn Bar;
|
|
}
|
|
|
|
fn is_static<T>(_: T) where T: 'static { }
|
|
|
|
fn bar(x: &str) -> &impl Foo<Item = dyn Bar> { &() }
|
|
|
|
fn main() {
|
|
let s = format!("foo");
|
|
let r = bar(&s);
|
|
is_static(r.item());
|
|
}
|