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#![warn(indirect_structural_match)]
use std::cell::Cell;
trait Foo<'a> {
const C: Option<Cell<&'a u32>>;
}
impl<'a, T> Foo<'a> for T {
const C: Option<Cell<&'a u32>> = None;
}
fn main() {
let a = 22;
let b = Some(Cell::new(&a));
//~^ ERROR `a` does not live long enough [E0597]
match b {
<() as Foo<'static>>::C => { }
//~^ WARN must be annotated with `#[derive(PartialEq, Eq)]`
//~| WARN will become a hard error in a future release
_ => { }
}
}
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