#[macro_use(new_c_queue)]
extern crate rb_tree;
use rb_tree::RBQueue;
fn main() {
let mut q1 = RBQueue::new(|l: &i64, r| l.cmp(r));
let mut q2 = new_c_queue!(|l: &i64, r| (r - l));
q1.insert(1);
q1.insert(2);
q1.insert(3);
q2.insert(1);
q2.insert(2);
q2.insert(3);
assert_eq!(q1.ordered(), [&1, &2, &3]);
assert_eq!(q2.ordered(), [&3, &2, &1]);
}