fuhrer.rs

// ORIGINAL PROGRAM PRESENTED TO FUHRER
// ------------------------------------

struct A {
	field: i32
}

impl A {
	fn get_B(&self) -> B {
		B {
			a : self
		}
	}
}

struct B<'a> {
	a:&'a A
}

struct C<'a> {
	bs : Vec<&'a B<'a>>
}

impl C<'_> {
	fn get_last_A(&self) -> &A {
		self.bs.last().unwrap().a
	}
}

fn F<'a>(a : &'a A) -> &'a A {
	let b = a.get_B();
	let c = C { bs : Vec::from([&b]) };
	let last = c.get_last_A();
	last
}