mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-30 14:01:51 +00:00
22 lines
597 B
Rust
22 lines
597 B
Rust
// Test that `<F as Foo<'a>>::Type: 'b`, where `trait Foo<'a> { Type:
|
|
// 'a; }`, does not require that `F: 'b`.
|
|
|
|
//@ check-pass
|
|
#![allow(dead_code)]
|
|
|
|
trait SomeTrait<'a> {
|
|
type Type: 'a;
|
|
}
|
|
|
|
impl<'a: 'c, 'c, T> SomeTrait<'a> for &'c T where T: SomeTrait<'a> {
|
|
type Type = <T as SomeTrait<'a>>::Type;
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
// |
|
|
// Note that this type must outlive 'a, due to the trait
|
|
// definition. If we fall back to OutlivesProjectionComponents
|
|
// here, then we would require that `T:'a`, which is too strong.
|
|
}
|
|
|
|
|
|
fn main() { }
|