// -*- rust -*-

type point = tup(int, int);

fn f(point p, int x, int y) {
  check (p._0 == x);
  check (p._1 == y);
}

fn main() {
  let point p = tup(10, 20);
  check (p._0 == 10);
  check (p._1 == 20);
  let point p2 = p;
  let int x = p2._0;
  check (x == 10);
  f(p, 10, 20);
  f(p2, 10, 20);
}