// run-pass | |
use std::cell::Cell; | |
#[derive(Debug)] | |
struct B<'a> { | |
a: [Cell<Option<&'a B<'a>>>; 2] | |
} | |
impl<'a> B<'a> { | |
fn new() -> B<'a> { | |
B { a: [Cell::new(None), Cell::new(None)] } | |
} | |
} | |
fn f() { | |
let (b1, b2, b3); | |
b1 = B::new(); | |
b2 = B::new(); | |
b3 = B::new(); | |
b1.a[0].set(Some(&b2)); | |
b1.a[1].set(Some(&b3)); | |
b2.a[0].set(Some(&b2)); | |
b2.a[1].set(Some(&b3)); | |
b3.a[0].set(Some(&b1)); | |
b3.a[1].set(Some(&b2)); | |
} | |
fn main() { | |
f(); | |
} |