rust/tests/ui/consts/assoc-const-elided-lifetime.rs

20 lines
627 B
Rust

#![deny(elided_lifetimes_in_associated_constant)]
use std::marker::PhantomData;
struct Foo<'a> {
x: PhantomData<&'a ()>,
}
impl<'a> Foo<'a> {
const FOO: Foo<'_> = Foo { x: PhantomData::<&()> };
//~^ ERROR `'_` cannot be used here
//~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
const BAR: &() = &();
//~^ ERROR `&` without an explicit lifetime name cannot be used here
//~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
}
fn main() {}