extern crate rayon;
// Check that we can't use the par-iter API to access contents of an
// `Rc`.
use rayon::par_iter::IntoParallelIterator;
use std::rc::Rc;
fn main() {
let x = vec![Rc::new(22), Rc::new(23)];
let mut y = vec![];
x.into_par_iter() //~ ERROR no method named `into_par_iter`
.map(|rc| *rc)
.collect_into(&mut y);
}