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extern crate ringbuf;
use ringbuf::RingBuffer;
fn main() {
let rb = RingBuffer::<i32>::new(2);
let (mut prod, mut cons) = rb.split();
prod.push(0).unwrap();
prod.push(1).unwrap();
assert_eq!(prod.push(2), Err(2));
assert_eq!(cons.pop().unwrap(), 0);
prod.push(2).unwrap();
assert_eq!(cons.pop().unwrap(), 1);
assert_eq!(cons.pop().unwrap(), 2);
assert_eq!(cons.pop(), None);
}