mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
20 lines
314 B
Rust
20 lines
314 B
Rust
// check-pass
|
|
|
|
use std::marker::PhantomData;
|
|
|
|
pub trait Foo<P> {}
|
|
|
|
impl <P, T: Foo<P>> Foo<P> for Option<T> {}
|
|
|
|
pub struct Qux<T> (PhantomData<*mut T>);
|
|
|
|
impl<T> Foo<*mut T> for Option<Qux<T>> {}
|
|
|
|
pub trait Bar {
|
|
type Output: 'static;
|
|
}
|
|
|
|
impl<T: 'static, W: Bar<Output = T>> Foo<*mut T> for W {}
|
|
|
|
fn main() {}
|