[rustc.git] / src / test / ui / nll / user-annotations / wf-self-type.rs

struct Foo<'a, 'b: 'a>(&'a &'b ());

impl<'a, 'b> Foo<'a, 'b> {
    fn xmute(a: &'b ()) -> &'a () {
        unreachable!()
    }
}

pub fn foo<'a, 'b>(u: &'b ()) -> &'a () {
    Foo::xmute(u) //~ ERROR lifetime may not live long enough
}

fn main() {}
Commit	Line	Data
0bf4aa26	1	struct Foo<'a, 'b: 'a>(&'a &'b ());
223e47cc	2
0bf4aa26 XL	3	impl<'a, 'b> Foo<'a, 'b> {
	4	fn xmute(a: &'b ()) -> &'a () {
	5	unreachable!()
abe05a73	6	}
ea8adc8c	7	}
abe05a73	8
0bf4aa26	9	pub fn foo<'a, 'b>(u: &'b ()) -> &'a () {
9fa01778	10	Foo::xmute(u) //~ ERROR lifetime may not live long enough
0bf4aa26	11	}
abe05a73 XL	12
abe05a73 XL	13	fn main() {}