mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-03 04:04:06 +00:00
24 lines
432 B
Rust
24 lines
432 B
Rust
// This test should compile, as the lifetimes
|
|
// in matches don't really matter.
|
|
//
|
|
// We currently use contravariance when checking the
|
|
// type of match arms.
|
|
|
|
trait Foo<'a> {
|
|
const C: &'a u32;
|
|
}
|
|
|
|
impl<'a, T> Foo<'a> for T {
|
|
const C: &'a u32 = &22;
|
|
}
|
|
|
|
fn foo<'a>(x: &'static u32) {
|
|
match x {
|
|
<() as Foo<'a>>::C => { }
|
|
//~^ ERROR lifetime may not live long enough
|
|
&_ => { }
|
|
}
|
|
}
|
|
|
|
fn main() {}
|