19 lines
293 B
Rust
19 lines
293 B
Rust
|
// check-pass
|
||
|
// compile-flags: -Ztrait-solver=next
|
||
|
|
||
|
pub trait A {}
|
||
|
pub trait B: A {}
|
||
|
|
||
|
pub trait Mirror {
|
||
|
type Assoc: ?Sized;
|
||
|
}
|
||
|
impl<T: ?Sized> Mirror for T {
|
||
|
type Assoc = T;
|
||
|
}
|
||
|
|
||
|
pub fn foo<'a>(x: &'a <dyn B + 'static as Mirror>::Assoc) -> &'a (dyn A + 'static) {
|
||
|
x
|
||
|
}
|
||
|
|
||
|
fn main() {}
|