rust/tests/ui/underscore-lifetime/underscore-lifetime-binders.rs
2024-03-20 17:29:58 +00:00

23 lines
469 B
Rust

struct Foo<'a>(&'a u8);
struct Baz<'a>(&'_ &'a u8); //~ ERROR missing lifetime specifier
fn foo<'_> //~ ERROR cannot be used here
(_: Foo<'_>) {}
trait Meh<'a> {}
impl<'a> Meh<'a> for u8 {}
fn meh() -> Box<dyn for<'_> Meh<'_>> //~ ERROR cannot be used here
//~^ ERROR missing lifetime specifier
{
Box::new(5u8)
}
fn foo2(_: &'_ u8, y: &'_ u8) -> &'_ u8 { y } //~ ERROR missing lifetime specifier
fn main() {
let x = 5;
foo(Foo(&x));
let _ = meh();
}