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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// 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();
}
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